How to Plant and Grow Yellow foxglove(Digitalis grandiflora)

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Plant Encyclopedia > Yellow foxglove

Yellow foxglove

Digitalis grandiflora

Also known as : Large yellow foxglove

Yellow foxglove (Digitalis grandiflora) is a popular, award-winning ornamental plant that is tall enough to make a great addition to the middle and back areas of borders. Like most foxgloves, all parts of this plant are toxic, containing digitoxin-type glycosides. The flowers are great attractors of bees and butterflies.

Planting Time

Mid summer, Late summer, Early fall

Care Guide for Yellow foxglove

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Soil Care

Clay, Sand, Loam, Chalky, Acidic, Neutral

Details on Soil Care

Ideal Lighting

Full sun, Partial sun, Full shade

Details on Sunlight Requirements

Ideal Temperature

4 to 8

Details on Temperature

Planting Time

Mid summer, Late summer, Early fall

Details on Planting Time

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Yellow foxglove

Water

Every week

Sunlight

Full sun

Planting Time

Mid summer, Late summer, Early fall

Questions About Yellow foxglove

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Watering

Pruning

Sunlight

Fertilizing

What is the best way to water my Yellow foxglove?

When watering the Yellow foxglove, you should aim to use filtered water that is at room temperature. Filtered water is better for this plant, as tap water can contain particles that are harmful to its health. The reason that the water should be at room temperature or slightly warmer is that the Yellow foxglove comes from a warm environment, and cold water can be somewhat of a shock to its system. Also, you should avoid overhead watering for this plant, as it can cause foliage complications. Instead, simply apply your filtered room temperature water to the soil until the soil is entirely soaked. Soaking the soil can be very beneficial for this plant as it moistens the roots and helps them continue to spread through the soil and collect the nutrients they need.

What should I do if I water my Yellow foxglove too much or too little?

Both overwatering and underwatering will be detrimental to the health of your Yellow foxglove, but overwatering is a far more common issue. When this species receives too much water, its stems and leaves may begin to wilt and turn from green to yellow. Overwatering over a prolonged period may also lead to diseases such as root rot, mold, and mildew, all of which can kill your plant. Underwatering is far less common for the Yellow foxglove, as this plant has decent drought tolerance. However, underwatering remains a possibility, and when it occurs, you can expect to find that the leaves of your Yellow foxglove have become brittle and brown. It is crucial that you notice the signs of overwatering as soon as possible when caring for your Yellow foxglove. Some of the diseases that arise from overwatering, such as root rot, may not be correctable if you wait too long. If you see early signs of overwatering, you should reduce your watering schedule immediately. You may also want to assess the quality of soil in which your Yellow foxglove grows. If you find that the soil drains very poorly, you should replace it immediately with a loose, well-draining potting mix. On the other hand, if you find signs that your Yellow foxglove is receiving too little water, all you need to do is water more regularly until those signs have subsided.

How often should I water my Yellow foxglove?

If your plant is in a pot. The most precise way to decide whether your Yellow foxglove needs water is to plunge your finger into the soil. If you notice that the first two to three inches of soil have become dry, it is time to add some water. If you grow your Yellow foxglove outdoors in the ground, you can use a similar method to test the soil. Again, when you find that the first few inches of soil have dried out, it is time to add water. During the spring and early fall, this method will often lead you to water this plant about once every week. When extremely hot weather arrives, you may need to increase your watering frequency to about twice or more per week. With that said, mature, well-established the Yellow foxglove can show an admirable ability to withstand drought.

How much water does my Yellow foxglove need?

When it comes time to water your Yellow foxglove, you should not be shy about how much water you give. With the first two to three inches of soil dry, this plant will appreciate a long and thorough watering. Supply enough water to soak the soil entirely. The amount of water you add should be enough to cause excess water to flow through the drainage holes at the bottom of your pot. If you don’t see excess water draining from the pot, you have likely underwatered your plant. But do not let the water accumulate inside the soil, which will be very dangerous to the plant as well. Alternatively, a lack of water draining through the pot could indicate poorly draining soils, which is detrimental to the health of this plant and should be avoided. If the plant is outside, 1 inch of rain per week will be sufficient.

How should I water my Yellow foxglove at different growth stages?

The water needs of the Yellow foxglove can change depending on growth stages as well. For example, when your Yellow foxglove is in the first few years of its life, or if you have just transplanted it to a new growing location, you will need to give more water than usual. During both of those stages, your Yellow foxglove will put a lot of energy towards sprouting new roots that will then support future growth. For those roots to perform their best, they need a bit more moisture than they would at a more mature phase. After a few seasons, your Yellow foxglove will need much less water. Another growth stage in which this plant may need more water is during the bloom period. Flower development can make use of a significant amount of moisture, which is why you might need to give your Yellow foxglove more water at this time.

How should I water my Yellow foxglove through the seasons?

The Yellow foxglove will have its highest water needs during the hottest months of the year. During the height of summer, you may need to give this plant water more than once per week, depending on how fast the soil dries out. The opposite is true during the winter. In winter, your plant will enter a dormant phase, in which it will need far less water than usual. In fact, you may not need to water this plant at all during the winter months. However, if you do water during winter, you should not do so more than about once per month. Watering too much at this time will make it more likely that your Yellow foxglove will contract a disease.

What's the difference between watering my Yellow foxglove indoors and outdoors?

It is most common to grow the Yellow foxglove indoors for any gardener that does not live in temperate and tropical regions. Those gardeners should consider the fact that soil in a container can dry out a bit faster than ground soil. Also, the presence of drying elements such as air conditioning units can cause your Yellow foxglove to need water on a more frequent basis as well. if you planted it outside. When that is the case, it’s likely you won’t need to water your Yellow foxglove very much at all. If you receive rainfall on a regular basis, that may be enough to keep your plant alive. Alternatively, those who grow this plant inside will need to water it more often, as allowing rainwater to soak the soil will not be an option.

Does my Yellow foxglove need to be pruned?

The usual goal for the Yellow foxglove is to have it grow as big and full as possible. While the plant doesn’t require consistent trimming, it can benefit by removing old flowers and any damaged, dead, or diseased leaves. You can also trim back the leaves if it is starting to get too big for the pot and space you are keeping it.

When is the best time to prune my Yellow foxglove?

Yellow foxglove don’t have a winter dormancy cycle at the suitable temperature. With that said, their growth does slow down as the days get shorter, however the leaves don’t die. What does that mean for pruning? It means there’s no specific season where it’s better to prune. Ideally, you will want to wait until the flower blooms before pruning it, which can take about a month after the appearance of the blossom. With deadheading, you’ll want to do this around late spring or when only a few of the blossoms have faded. You should always prune brown or yellow leaves when you notice them. Throughout the growing phase, make sure to pay close attention to any potential diseased leaves and remove these as necessary.

What should I do after pruning my Yellow foxglove?

Once you’ve pruned your plant, you should dispose of the stems and leaves either by composting the healthy ones or throwing out the diseased parts. You can also fertilize just before or after pruning, which gives Yellow foxglove a little vitamin boost that can provide it the nutrients needed to better protect itself from any nearby pathogens or diseases. You don’t need much after care when you’re done pruning. It might benefit from light watering and some liquid plant food to encourage new blooms and growth.

How can I prune my Yellow foxglove during different growth stages?

Chances are you’re not getting the Yellow foxglove from seed, which means you’re already getting a mature plant. Since the plant doesn’t have a true dormancy cycle, there are really only two phases: blooming and non-blooming. While the plant is blooming, you should only remove yellow or dead leaves and cut off any brown tips on the leaves. Avoid doing too much pruning during this time as it can stress the plant. Still, you should remove any diseased or dead leaves to keep your plant presentable. The best time to prune is after the blossoms have already wilted. You can remove both the spent blossoms and any old and yellowed leaves at the same time. If you’re noticing a large amount of yellow leaves, you might be overwatering your plant or not giving it enough nutrients. While yellow or brown leaves don’t always mean there’s an issue, if you notice a large amount of leaves shifting colors, it usually means there’s a problem with the plant.

How can I prune my Yellow foxglove during different seasons?

As an evergreen plant, Yellow foxglove doesn’t have the same cycles as those found in colder areas. The leaves will remain green throughout the year, which is one of the many reasons it is a popular houseplant. If you want to deadhead, you should do so after the blossoms have already wilted. Throughout the growing phase, make sure to pay close attention to any potential diseased leaves and remove these as necessary.

Are there any instructions for pruning my Yellow foxglove?

How you prune the Yellow foxglove will depend on whether you’re performing general care or deadheading. For general care, simply cut off the blossoms that have already died. Make sure to get as close to the base as possible and snip at a 45-degree angle. Repeat this for all stalks with wilting blooms. After that, trim back any outer leaves that are old and yellowing. If you simply want to thin the plant out, start with the outermost leaf and work your way in. Avoid removing more than 30 percent of the leaves at once. Throughout the growing phase, make sure to pay close attention to any potential diseased leaves and remove these as necessary.

What type of sunlight does Yellow foxglove need?

Yellow foxglove needs full sun every day, and these plants rely on a minimum of six hours of sunlight to keep their leaves, roots, and blooms in a healthy state. Even though most perennials need six hours of sunlight a day, plants like the Orange Daylily or Giant Coreopsis could live off less sun for a minimum of three hours daily. Even though these perennial flowering plants can live with only three hours of direct sunlight, they won't be able to thrive like they would in sunnier conditions.

Can sunlight damage Yellow foxglove? How to protect Yellow foxglove from the sun and heat damage?

The few Perennial Flowering Plants that don't like excessive heat in warm climates might react poorly to too much sun if they have heat damage. These plants may wilt or dry out from too much sun and may also develop growth issues if they're regularly in the sun during the most intense heat of the day. Some plants don't need protection from the light afternoon sun, but those that are harmed by intense afternoon exposure should be provided some shade in warmer climates. Gardeners could give these plants plenty of shade by planting them in spots that don't receive direct heat during the afternoon, like under trees or behind bushes.

Should I protect Yellow foxglove from sun exposure?

While many perennial plants need plenty of sun to bloom to their fullest extent, some of them benefit from less sun in warmer climates. For example, people who live in hotter climates might want to provide shade for their flowering perennials in the hot afternoon sun, and this is even more true for months in the summer. Even though some perennial flowering plants will benefit from partially shaded in the hottest climates, plants like the Giant Coreopsis aren't intimidated by too much sun. They might sit outside in the full sun in hot weather and still thrive.

What will happen if Yellow foxglove gets inadequate sunlight?

If you're growing Yellow foxglove and you aren't getting enough sunlight, you'll notice signs of inadequate requirements in your plants. Most plants won't produce as many blooms as they would if they had full sun exposure. Some plants will develop dry spots on their leaves, but most of these plants will still bloom in the inadequate sun. Even though they bloom, the flowers will be smaller and less full.

Does Yellow foxglove need special care about sunlight during its different growth stages?

Yellow foxglove is great flowers in gardens and will have optimum blooming if it gets six hours of sunlight a day minimum. Sometimes, flowers stay fresh longer if they're partially shaded during the really hot parts of the day. When Yellow foxglove is young, gardeners want to ensure their younger plants are getting plenty of sunlight but don't have to endure intense heat during the afternoon sunlight. If you have a fully mature plant, provide it with plenty of sun so it may keep up its growth properly.

How much light does Yellow foxglove need for photosynthesis?

Yellow foxglove will need a minimum of six hours of light to best support their photosynthesis cycles. These flowering plants need the sun to help their foliage and blooms grow. However, certain perennial flowering plants like the Giant Coreopsis might need anywhere from eight to twelve hours of full sun a day to maintain their large flowers and healthy foliage.

How much light should Yellow foxglove get per day to grow healthily?

If you want your Yellow foxglove to grow healthy and bloom as much as possible during its blooming season, you should try to give your plant six hours of direct sunlight. Some perennial plants might even do more sunlight and could sit in the sun for up to twelve hours, depending on the heat in the area and the general environment. Plants like the Red Hot Poker and Giant Coreopsis thrive in much hotter climates and might sit in all types of strong sunlight. Some home gardeners have to use grow lights because their spaces don't allow for tons of outdoor sunlight. Most perennials could grow happily in grow lights, but they will need anywhere from eight to fourteen hours of artificial light to stay strong since these lights don't have as much power as the sun.

Why do I need to fertilize my Yellow foxglove?

Fertilization is important to the Yellow foxglove for several general reasons. Mainly, fertilization helps Yellow foxglove and other plants by providing key nutrients that help the plant grow both above and below ground. However, the overall fertilization needs for a Yellow foxglove are relatively low. At times, a Yellow foxglove may survive well without fertilization. However, annual fertilization is can be very beneficial to the Yellow foxglove, as it will help keep the plant alive and may also encourage your Yellow foxglove to create better flowers that last for longer. As such, those interested in helping their Yellow foxglove look its best should keep up with annual fertilization.

When is the best time to fertilize my Yellow foxglove?

The ideal time to fertilize a Yellow foxglove is in the late winter to early spring. During that time, your Yellow foxglove will be exiting its dormant phase and entering a phase of active growth. Fertilization at this time allows the plant to get off to a great start for the season by encouraging healthy growth. While it is generally most advantageous to fertilize a Yellow foxglove during the early spring, it is also permissible to fertilize a Yellow foxglove during the fall too. However, summer and winter remain the seasons in which it is not a good idea to feed a Yellow foxglove.

When should I avoid fertilizing my Yellow foxglove?

You should not fertilize your Yellow foxglove during any time of the year except during the late winter and early spring. The low fertilization needs of this plant allow a single annual feeding to suffice. Continuing to fertilize throughout spring, summer, and fall can easily lead to overfertilization and all of the complications that can come with it. The only exception is if you did not fertilize in spring, which means that it is permissible to feed this plant in fall. Along with refraining from fertilizing for most of the growing season, there is also no reason to fertilize this plant during the winter. In winter, the Yellow foxglove will be in a dormant growth phase, meaning that it does not put forth new growth. With that being the case, fertilization during most of the winter is not advisable.

What type of fertilizer does my Yellow foxglove need?

Nearly any kind of general-purpose fertilizer with a balanced amount of the three main plant nutrients will work well for a Yellow foxglove. However, there are a few specific nutrient blends that can be even more beneficial. For instance, many gardeners follow the belief that higher volumes of phosphorus make for stronger roots and better flowers. Since Yellow foxglove is a flowering plant, applying a phosphorus-rich fertilizer may be the best approach. You can use a fertilizer that comes in a granular form or a liquid form as long as there are plenty of nutrients present. Outside of manufactured fertilizers, you can also use more organic means to improve the soil for your Yellow foxglove. Mainly, compost, manure, and similar materials can go a long way towards creating a healthy growing medium for your Yellow foxglove.

How do I fertilize my Yellow foxglove?

The most common way to fertilize a Yellow foxglove is to apply a granular or pellet fertilizer to the soil around your plant. Remember that the ideal time to fertilize is as the plant is exiting its winter dormant growth phase and entering a phase of active growth. In early spring, wait until the plant begins to send shoots through the soil, and then apply your fertilizer. Some people may choose to use a liquid fertilizer instead of a granular one. In that case, you should dilute the fertilizer with water before applying it. Regardless of whether you use granular or liquid fertilizer, it is always best to moisten the soil before, during, and after you apply fertilizer.

What happens if I fertilize my Yellow foxglove too much?

As you care for your Yellow foxglove, recall that this plant does not need a lot of fertilizer each year and will begin to suffer if it receives too much. Firstly, any overfertilized plant runs the risk of fertilizer burn, a condition in which excessive amounts of fertilizer draw nutrients and moisture out of the plant's roots, causing its decline. Also, overfertilizing a Yellow foxglove is also a way of weakening your plant and making disease far more likely. There is also a potential that overfertilization could cause your Yellow foxglove to flower less or not at all, which is a significant detriment considering the blooms of this plant are what make it so valuable and sought after by so many gardeners.

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Key Facts About Yellow foxglove

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Attributes of Yellow foxglove

Lifespan

Perennial, Biennial

Plant Type

Herb

Planting Time

Mid summer, Late summer, Early fall

Bloom Time

Late spring, Summer, Early fall

Plant Height

1 m

Spread

50 cm

Leaf Color

Green

Flower Color

Yellow

Fruit Color

Green

Stem Color

Green

Leaf type

Evergreen

Ideal Temperature

20 - 35 ℃

Scientific Classification of Yellow foxglove

Phylum

Vascular plants

Class

Dicotyledons

Order

Mints plantains olives and allies

Family

Plantain

Genus

Foxgloves

Species

Yellow foxglove

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Common Pests & Diseases About Yellow foxglove

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Common issues for Yellow foxglove based on 10 million real cases

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Yellow edges

Yellow edges' is a plant disease affecting Yellow foxglove, causing distinctive yellowing and curling on the edges of the leaves. It can weaken the plant and interfere with its growth, often resulting in stunted bloom development.

Leaf beetles

Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.

Solutions: For less serious cases: Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread. To treat more serious infestations: Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.

Brown spot

This infection can cause brown spots or patches to appear on the plant.

Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.

Sap-sucking insects

Sap-sucking insects can create dense clusters of small yellow or white spots on the leaves.

Solutions: Sap-sucking insects can be hard to spot, as they are often small and attach to the undersides of plant leaves. If you see signs of an infestation, follow these steps to eradicate it. Hand-pick bugs and remove eggs: Inspect your plants for insects and drop any you find in a container of soapy water. Look carefully at the undersides of plant leaves and squish any egg clusters you find. Use Insecticide: Targeted spraying can take out sap-sucking insects. Small infestations can be controlled with insecticidal soap, though larger outbreaks might require a stronger spray. Introduce natural predators: Many insects, including ladybugs and praying mantises, love to feast on sap-suckers. You can purchase them at garden stores and release them near infected plants, or encourage wild ones by creating habitat space.

Distribution of Yellow foxglove

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Distribution Map of Yellow foxglove

Yellow foxglove is native to temperate regions of Central and Eastern Europe, enjoying a wide distribution that extends across the continent's woodlands and mountainous areas. As an adaptable species, yellow foxglove has been introduced and cultivated in northern Europe, where it thrives in similar temperate habitats. Its cultivation status reflects a successful expansion beyond its original range. Despite its dispersal, yellow foxglove maintains a strong presence in its indigenous locales.

Native

Cultivated

Invasive

Potentially invasive

Exotic

No species reported

More Info on Yellow Foxglove Growth and Care

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Basic Care Guide

Common Pests & Diseases

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Lighting

Full sun

Yellow foxglove ideally thrives when it receives an abundance of sunlight during the day. It also has the flexibility to grow in less than optimal light conditions, as it can adapt to both a slightly shaded environment as well as very low sunlight conditions. Excessive or limited light may affect its flowering and overall health adversely.

Best Sunlight Practices

Transplant

1-2 feet

The perfect time frame to transplant yellow foxglove falls within the second and third growing seasons, as it boosts growth prospects. Choose a partially shaded area for yellow foxglove, as they love filtered sunlight. Transplanting requires delicate handling, so go easy on those roots!

Transplant Techniques

Pruning

Spring, Summer, Autumn, Winter

Yellow foxglove, characterized by its tall spires of yellow blooms, benefits from post-flowering pruning. Remove spent flower stalks to promote a tidy appearance and prevent self-seeding. Annual thinning of older foliage maintains health and vigor. Prune any time, as yellow foxglove tolerates cutting back well throughout the year. This encourages a compact growth habit and may enhance the following year's bloom.

Pruning techniques

Yellow edges

Leaf wilting

Leaf wilting is a common condition impacting Yellow foxglove, typically induced by inadequate watering, over-exposure to sunlight, or infections from fungi or bacteria. This can result in subdued growth, premature drooping of leaves, and possibly the plant's death.

Dark blotch

Dark blotch is a devastating fungal disease that affects Yellow foxglove, causing discolored spots on leaves and deformed flowers. If untreated, it could lead to massive plant loss, impacting its ornamental and medicinal uses.

Leaf rot

Leaf rot is a common fungal disease that severely affects the overall health and vitality of Yellow foxglove. The disease, notorious for causing browning and wilting of leaves, can lead to premature plant death if not treated effectively and promptly.

Feng shui direction

South

While the yellow foxglove is known for its vibrant colors, its compatibility with Feng Shui, particularly when facing South, is somewhat uncertain due to its associated elements. Its tall, predominantly yellow form may promote active energy (Yang), fitting with South's Fire element. But, as Feng Shui is a highly subjective discipline, individual interpretations may shape ultimate compatibility view.

Fengshui Details

Plants Related to Yellow foxglove

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Cinnamon fern

Osmundastrum cinnamomeum subsp. cinnamomeum is a fern species that inhabits bogs, swamps, and moist woodlands of eastern Asia and the Americas. The fertile spore-bearing fronds become cinnamon-colored as they mature. This plant is also known for forming large clonal colonies in suitable habitats such as swamps.

Christmas fern

A native of the Eastern part of North America, christmas fern can be found in wooded areas and streambanks. It enjoys a slightly shady habitat and, while Polystichum acrostichoides can grow in colonies, it can also be found singly. The common name of Polystichum acrostichoides is due to the fact that the evergreen fronds are often still green at Christmastime.

Cedar elm

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Calico kitten

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Butterwort

Pinguicula moranensis /pɪŋˈɡwɪkjʊlə ˌmɒrəˈnɛnsɪs/ is a perennial rosette-forming insectivorous herb native to Mexico and Guatemala. A species of butterwort, it forms summer rosettes of flat, succulent leaves up to 10 cm long, which are covered in mucilaginous (sticky) glands that attract, trap, and digest arthropod prey. Nutrients derived from the prey are used to supplement the nutrient-poor substrate that the plant grows in. In the winter the plant forms a non-carnivorous rosette of small, fleshy leaves that conserves energy while food and moisture supplies are low. Single pink, purple, or violet flowers appear twice a year on upright stalks up to 25 cm long. The species was first collected by Humboldt and Bonpland on the outskirts of Mina de Morán in the Sierra de Pachuca of the modern-day Mexican state of Hidalgo on their Latin American expedition of 1799–1804. Based on these collections, Humboldt, Bonpland and Carl Sigismund Kunth described this species in Nova Genera et Species Plantarum in 1817. The extremely variable species has been redefined at least twice since, while several new species have been segregated from it based on various geographical or morphological distinctions, although the legitimacy of some of these is still debated. P. moranensis remains the most common and most widely distributed member of the Section Orcheosanthus. It has long been cultivated for its carnivorous nature and attractive flowers, and is one of the most common butterworts in cultivation. The generic name Pinguicula is derived from the Latin pinguis (meaning "fat") due to the buttery texture of the surface of the carnivorous leaves. The specific epithet moranensis refers to its type location, Mina de Moran.

Butterwort

Ceratocephala falcata is a small annual flower with rosette-forming leaves covered in dense woolly hairs. It appears with its blooms in spring on rocks stones and dry places. It doesn't reach more than 10 cm in height.

Cape jasmine

Gardenia jasminoides is an evergreen shrub with unique, glossy evergreen leaves and stunning flowers. The sophisticated, matte white flowers are often used in bouquets. The exceptional beauty of this ornamental plant has made it a popular and highly appreciated plant amongst gardeners and horticulturalists.

Golden pothos

The golden pothos (Epipremnum aureum) is a popular houseplant that is commonly seen in Australia, Asia, and the West Indies. It goes by many nicknames, including "devil's ivy", because it is so hard to kill and can even grow in low light conditions. Golden pothos has poisonous sap, so it should be kept away from pets and children.

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Yellow foxglove

Digitalis grandiflora

Also known as: Large yellow foxglove

Planting Time

Mid summer, Late summer, Early fall

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Care Guide for Yellow foxglove

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Soil Care

Clay, Sand, Loam, Chalky, Acidic, Neutral

Ideal Lighting

Full sun, Partial sun, Full shade

Ideal Temperature

4 to 8

Planting Time

Mid summer, Late summer, Early fall

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Questions About Yellow foxglove

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Watering

Pruning

Sunlight

Fertilizing

What is the best way to water my Yellow foxglove?

What should I do if I water my Yellow foxglove too much or too little?

How often should I water my Yellow foxglove?

How much water does my Yellow foxglove need?

How should I water my Yellow foxglove at different growth stages?

How should I water my Yellow foxglove through the seasons?

What's the difference between watering my Yellow foxglove indoors and outdoors?

Does my Yellow foxglove need to be pruned?

When is the best time to prune my Yellow foxglove?

What should I do after pruning my Yellow foxglove?

How can I prune my Yellow foxglove during different growth stages?

How can I prune my Yellow foxglove during different seasons?

Are there any instructions for pruning my Yellow foxglove?

What type of sunlight does Yellow foxglove need?

Can sunlight damage Yellow foxglove? How to protect Yellow foxglove from the sun and heat damage?

Should I protect Yellow foxglove from sun exposure?

What will happen if Yellow foxglove gets inadequate sunlight?

Does Yellow foxglove need special care about sunlight during its different growth stages?

How much light does Yellow foxglove need for photosynthesis?

How much light should Yellow foxglove get per day to grow healthily?

Why do I need to fertilize my Yellow foxglove?

When is the best time to fertilize my Yellow foxglove?

When should I avoid fertilizing my Yellow foxglove?

What type of fertilizer does my Yellow foxglove need?

How do I fertilize my Yellow foxglove?

What happens if I fertilize my Yellow foxglove too much?

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

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Key Facts About Yellow foxglove

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Attributes of Yellow foxglove

Lifespan

Perennial, Biennial

Plant Type

Herb

Planting Time

Mid summer, Late summer, Early fall

Bloom Time

Late spring, Summer, Early fall

Plant Height

1 m

Spread

50 cm

Leaf Color

Green

Flower Color

Yellow

Fruit Color

Green

Stem Color

Green

Leaf type

Evergreen

Ideal Temperature

20 - 35 ℃

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Scientific Classification of Yellow foxglove

Phylum

Vascular plants

Class

Dicotyledons

Order

Mints plantains olives and allies

Family

Plantain

Genus

Foxgloves

Species

Yellow foxglove

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Common Pests & Diseases About Yellow foxglove

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Common issues for Yellow foxglove based on 10 million real cases

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Yellow edges

Learn More About the Yellow edges

Leaf beetles

Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.

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Brown spot

This infection can cause brown spots or patches to appear on the plant.

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Sap-sucking insects

Sap-sucking insects can create dense clusters of small yellow or white spots on the leaves.

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Distribution of Yellow foxglove

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Distribution Map of Yellow foxglove

Native

Cultivated

Invasive

Potentially invasive

Exotic

No species reported

More Info on Yellow Foxglove Growth and Care

Basic Care Guide

Common Pests & Diseases

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Spring, Summer, Autumn, Winter

Plants Related to Yellow foxglove

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Indoor

Requirements

Full sun

Ideal

Above 6 hours sunlight

Partial sun, Full shade

Tolerance

About 3-6 hours sunlight

Watch how sunlight gracefully moves through your garden, and choose spots that provide the perfect balance of light and shade for your plants, ensuring their happiness.

Essentials

Preferred

Tolerable

Unsuitable

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Artificial lighting

Indoor plants require adequate lighting for optimal growth. When natural sunlight is insufficient, particularly in winter or in less sunny spaces, artificial lights offer a vital solution, promoting faster, healthier growth.
1. Choose the right type of artificial light: LED lights are a popular choice for indoor plant lighting because they can be customized to provide the specific wavelengths of light that your plants need.
Full sun plants need 30-50W/sq ft of artificial light, partial sun plants need 20-30W/sq ft, and full shade plants need 10-20W/sq ft.
2. Determine the appropriate distance: Place the light source 12-36 inches above the plant to mimic natural sunlight.
3. Determine the duration: Mimic the length of natural daylight hours for your plant species. most plants need 8-12 hours of light per day.

Important Symptoms

Symptoms of Insufficient Light in %s

Yellow foxglove thrives in full sunlight and is commonly grown outdoors where it receives ample sunlight. When placed in rooms with inadequate lighting, symptoms of light deficiency may not be readily apparent.

(Symptom details and solutions)

Small leaves

New leaves may grow smaller in size compared to the previous ones once they have matured.

Leggy or sparse growth

The spaces between leaves or stems of your Yellow foxglove may become longer, resulting in a thin and stretched-out appearance. This can make the plant look sparse and weak, and it may easily break or lean due to its own weight.

Faster leaf drop

When plants are exposed to low light conditions, they tend to shed older leaves early to conserve resources. Within a limited time, these resources can be utilized to grow new leaves until the plant's energy reserves are depleted.

Slower or no new growth

Yellow foxglove enters a survival mode when light conditions are poor, which leads to a halt in leaf production. As a result, the plant's growth becomes delayed or stops altogether.

Lighter-colored new leaves

Insufficient sunlight can cause leaves to develop irregular color patterns or appear pale. This indicates a lack of chlorophyll and essential nutrients.

Solutions

1. To ensure optimal growth, gradually move plants to a sunnier location each week, until they receive at least 6 hours of direct sunlight daily. Use a south-facing window and keep curtains open during the day for maximum sunlight exposure and nutrient accumulation.2. To provide additional light for your plant, consider using artificial light if it's large or not easily movable. Keep a desk or ceiling lamp on for at least 8 hours daily, or invest in professional plant grow lights for ample light.

Symptoms of Excessive light in %s

Yellow foxglove thrives in full sun exposure and can tolerate intense sunlight. With their remarkable resilience, symptoms of sunburn may not be easily visible, as they rarely suffer from it.

(Symptom details and solutions)

Chlorosis

Chlorosis is a condition where the plant's leaves lose their green color and turn yellow. This is due to the breakdown of chlorophyll from excessive sunlight, which negatively affects the plant's ability to photosynthesize.

Sunscald

Sunscald occurs when the plant's leaves or stems are damaged by intense sunlight exposure. It appears as pale, bleached, or necrotic areas on the plant tissue and can reduce the plant's overall health.

Leaf Curling

Leaf curling is a symptom where leaves curl or twist under extreme sunlight conditions. This is a defense mechanism used by the plant to reduce its surface area exposed to sunlight, minimizing water loss and damage.

Wilting

Wilting occurs when a plant loses turgor pressure and its leaves and stems begin to droop. Overexposure to sunlight can cause wilting by increasing the plant's water loss through transpiration, making it difficult for the plant to maintain adequate hydration.

Leaf Scorching

Leaf scorching is a symptom characterized by the appearance of brown, dry, and crispy edges or patches on leaves due to excessive sunlight. This can lead to a reduction in photosynthetic capacity and overall plant health.

Solutions

1. Move your plant to the optimal position where it can receive abundant sunlight but also have some shade. An east-facing window is an ideal choice as the morning sunlight is gentler. This way, your plant can enjoy ample sunlight while reducing the risk of sunburn.2. It is recommended to trim off any completely dehydrated or withered parts of the plant.

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Care Guide for Yellow foxglove

Questions About Yellow foxglove

More Questions People Also Ask

Key Facts About Yellow foxglove

Attributes of Yellow foxglove

Scientific Classification of Yellow foxglove

Common Pests & Diseases About Yellow foxglove

Distribution of Yellow foxglove

Distribution Map of Yellow foxglove

More Info on Yellow Foxglove Growth and Care

Plants Related to Yellow foxglove

Care Guide for Yellow foxglove

Questions About Yellow foxglove

More Questions People Also Ask

Key Facts About Yellow foxglove

Attributes of Yellow foxglove

Scientific Classification of Yellow foxglove

Common Pests & Diseases About Yellow foxglove

Distribution of Yellow foxglove

Distribution Map of Yellow foxglove

More Info on Yellow Foxglove Growth and Care

Plants Related to Yellow foxglove