Prairie Dock - Northern Wildflowers Seed Pack

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Prairie dock (Silphium terebinthinaceum) is just as desirable for its foliage as it is for its flowers. The plant has huge fan-like basal leaves that are a nice addition to the garden throughout the year, then in late summer sends up clusters of bright yellow flowers on delicate stocks. The flowers are popular with bees and the seeds are eaten by finches and other songbirds. Note prairie dock can grow to be over 8 feet tall and requires adequate space.