Scientific name: Rudbeckia nitida ‘Herbstsonne’
Synonym: Rudbeckia laciniata ‘Herbstsonne’ , Rudbeckia AUTUMN SUN , & Rudbeckia ‘Autumn Sun’
Family: ASTERACEAE
Common names: “Autumn cone flower”
Plant Type: Herbaceous perennial
Conditions:
Zone: 5-9
Light: Full sun – part shade
Exposure: Sheltered
Soil: Moderately fertile, handles heavy clay soils
Moisture: Moist well drained
Aesthetic:
Plant Size: H 6-8′ W 2-3′
Leaf and Stem shape: Simple leaves
Flower: Branched stems bearing single flower-heads with golden-yellow rays and greenish-yellow disk
Maintenance: Medium, usually needs to be staked or tied up somehow, can be Chelsea chopped low in early June to make a shorter plant with smaller flowers, flowers leave attractive seed heads, deadhead to extend period in bloom, divide every 3-5 years
Landscape use: Cut flowers, flower borders, cottage, informal, prairie planting
Propagate: By division
Pests & Disease: Slugs will eat the new growth
Comments: ~AGM winner, with too much moisture and fertility they may grow too tall and flop over, very long lived plants, “gorgeous dramatic structure plant”