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Silphium perfoliatum - Cup Plant

Silphium perfoliatum - Cup Plant

Perennial growing up to 8 feet. Grows in full sun and medium to wet soils. Prefers moist, rich soils but can tolerate drier conditions, clay and wet soils. Yellow flowers bloom from July to September and attract a variety of bees butterflies and skippers. This is a large plant that works best at the back of a planting or in a natural setting.


Species: Silphium perfoliatum

Aster family: Asteraceae

  • FYI

    In order to allow our customers to search our website for native plants by bloom season and light requirements, included are "product options" for each species. Those option appear here as selections you may choose; please be assured the plants will flourish under each of the light conditions listed and will bloom during the months listed in the description.

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