Description
Agastache
There are about 30 species of perennials, in this genus. They are native to dry often-hilly habitants in China, Japan, and North America. Most are very upright with stiff angular stems clothed in toothed edges. It bears lance shaped leaves ½-6” long depending species. They can grow any where from 6”-6’ feet tall. On upright stem tip bear long lasting spikes of tubular, 2-lipped flowers from mid summer to autumn. Flowers are usually white, pink, mauve, or purple with bracts that back the flowers being the same or slightly contrasting in color.
Easily grown in moist well-drained fertile soil and prefers sunny position. Most will tolerant occasional frost down to 20 degree Fahrenheit.
Prone to mildew, rusts, downy mildew, and are very attractive to insects.
Agastache rugosa – Wrinkled Giant Hysssop – This erect perennial grows 4’ feet tall and 18” inches wide native to China and Japan has aromatic egg shaped to oval, toothed, sticky leaves 2 ½-3” long, often with hairy undersides. From mid summer to early autumn branching stems bear violet to pinkish purple flowers in short spikes 2-4” long, making it more shrubbery like.
Zones 7-11