Cup Plant

Botanical Name:  Silphium perfoliatum

Height: Very tall.

Season of bloom: Late summer.

Growing Conditions: Sun. Any well-drained soil.

Wildlife benefits: Leaf cups catch water for large insects and small birds. Flowers provide food for many pollinators. Nutritious seeds feed goldfinches and other birds

From Ottawa Valley or eastern Ontario sources: No.

Remarks: Excellent for a summer privacy hedge.

Similar species: Compass Plant, Tall Sunflower

For information on availability or to return to the list of plants, please click Plants



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