Silphium perfoliatum (Cup Plant) [20 Seeds]

$3.95

Germination Information: I recommend these seeds only for gardeners who have experience with seeds that require a chilling period. The easiest approach is to surface-sow (do not cover) the seeds in a pot in fall to late winter, setting them outdoors in a spot protected from mice so they can get a natural chilling period and then germinate when conditions are right in spring.

If you sow after February, give the pot an artificial period of about 2 months.

Note that this information will not appear on the seed packet you receive.

Please read the description as well before ordering.

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Description

Cup plant (Silphium perfoliatum) bears large, broad leaves that cup 6- to 8-foot-tall stems topped with bright yellow, daisy-form flowers from midsummer to late summer or early fall. This U.S. native is popular with butterflies, bees, and other pollinators when in bloom, and birds feast on the seeds. The cupped leaf bases also hold rainfall, providing a natural source of water for wildlife. And, the long-stemmed blooms are terrific as cut flowers. Cup plant is a beautiful and valuable perennial if your garden is big enough for it! Be aware that it can self-sow freely once it reaches flowering size. Full sun. Perennial; Zones 3 to 9.

Collected in September 2021. At least 20 seeds.

Cannot ship to CT.

Please read the germination information as well before ordering.

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