Cup Plant (Silphium perfoliatum)

Cup Plant (Silphium perfoliatum) plants from Missouri Wildflowers Nursery

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Makes an unmistakable presence in large gardens & moist meadow plantings. A good wildlife plant.

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Item #: SIPER

Binomial Silphium perfoliatum

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Cup plant makes an unmistakable presence in large rain gardens & moist meadow plantings. It is exceptional for wildlife, especially goldfinches and other birds that eat cup plant seeds. The leaves form "cups" on the stem; these cups will hold water from which birds will drink. In large stands of cup plant, birds will take refuge from the sun and heat by hiding in the foli

Uses: Birds, pollinators, rain gardens, bees, butterflies
Bloom time: July - September

Height: 6 to 8 feet
Space: 2 to 3 feet

Light: Full sun to light shade
Moisture: Average to moist

Seed: Harvest September/October. Six to eight weeks of cold-moist stratification will help germination--sow seed November - January.

1,800 seeds per ounce
1 ounce per 100 square feet
20 pounds per acre

Cup Plant (Silphium perfoliatum)

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Cup Plant (Silphium perfoliatum) plants from Missouri Wildflowers Nursery

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