50+ This Giant Hyssop is characterized by upright growth, bushy, lemon-scented foliage and spikes of tubular white flowers that reach 26 - 32 inches in height. It is considered to be a short-lived perennial, and it easily establishes from Agastache Hyssop flower seeds. The Giant Hyssop plant is a magnet for bees and hummingbirds, and, like most species of Agastache, it has very pleasant smelling foliage. Many people make tea out of the leaves. It grows about 12 inches wide. Grow in moderately fertile, well-draining soils and in full sun.
Start the Agastache flower seeds indoors 6 - 8 weeks before the last expected frost. Cover the flower seeds lightly and keep them moist until germination. Transplant after danger of frost and the Hyssop plant will establish quickly in the garden.
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