Silphium perfoliatum (Cup Plant)
GARDEN SITE: ☀️-⛅ Average. medium-wet, well drained soil. Prefers rich loam but can tolerate clay. Drought tolerant once established.
SIZE: 4-8 ft. SPREAD: 1-3 ft.
FLOWERS: Large, golden-yellow. May-June.
WILDLIFE: Flowers attracts hummingbirds, bees and butterflies. Birds water on foliage cups and feed on seeds.
LARVAL HOST TO: Silphium Borer moth
ZONE: 3-9
DISTRIBUTION: AL, AR, CT, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NJ, NY, OH, OK, PA, SD, TN, VA, WI, WV
Cup Plant is a large, stately species that will add architectural interest to a full sun meadow, prairie or rain garden. The eye catching, golden-yellow flowers can last up to 8 weeks and will attract a variety of beneficial insects and birds. As suggested by its name, the foliage forms small cups that birds use to water from! This wonderful plant seeds easily and is best used as a background planting in naturalized areas and rain gardens. Resistant to diseases, drought, dry soil and insect pests.
GARDEN SITE: ☀️-⛅ Average. medium-wet, well drained soil. Prefers rich loam but can tolerate clay. Drought tolerant once established.
SIZE: 4-8 ft. SPREAD: 1-3 ft.
FLOWERS: Large, golden-yellow. May-June.
WILDLIFE: Flowers attracts hummingbirds, bees and butterflies. Birds water on foliage cups and feed on seeds.
LARVAL HOST TO: Silphium Borer moth
ZONE: 3-9
DISTRIBUTION: AL, AR, CT, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NJ, NY, OH, OK, PA, SD, TN, VA, WI, WV
Cup Plant is a large, stately species that will add architectural interest to a full sun meadow, prairie or rain garden. The eye catching, golden-yellow flowers can last up to 8 weeks and will attract a variety of beneficial insects and birds. As suggested by its name, the foliage forms small cups that birds use to water from! This wonderful plant seeds easily and is best used as a background planting in naturalized areas and rain gardens. Resistant to diseases, drought, dry soil and insect pests.
GARDEN SITE: ☀️-⛅ Average. medium-wet, well drained soil. Prefers rich loam but can tolerate clay. Drought tolerant once established.
SIZE: 4-8 ft. SPREAD: 1-3 ft.
FLOWERS: Large, golden-yellow. May-June.
WILDLIFE: Flowers attracts hummingbirds, bees and butterflies. Birds water on foliage cups and feed on seeds.
LARVAL HOST TO: Silphium Borer moth
ZONE: 3-9
DISTRIBUTION: AL, AR, CT, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NJ, NY, OH, OK, PA, SD, TN, VA, WI, WV
Cup Plant is a large, stately species that will add architectural interest to a full sun meadow, prairie or rain garden. The eye catching, golden-yellow flowers can last up to 8 weeks and will attract a variety of beneficial insects and birds. As suggested by its name, the foliage forms small cups that birds use to water from! This wonderful plant seeds easily and is best used as a background planting in naturalized areas and rain gardens. Resistant to diseases, drought, dry soil and insect pests.