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A Hydrangea cousin and a native from Nepal to China, clusters of blue flowers with reflexed petals bloom in June and July, becoming Gentian-blue fruit in late fall. The berries are enjoyed by birds. With acidic soil, the flowers will be dark blue, and light blue in alkaline soils — both very pretty.
According to the Missouri Botanical Garden, "This plant is one of the 50 Fundamental Herbs in Chinese medicine. It is used for a large number of different medical applications including reduction of fevers." (hence "febrifuga") 5' x 5' and evergreen. Protect from cold, drying winds in winter.Minimum temperature: 10° F