Silphium perfoliatum, the cup plant or cup-plant, is a species of flowering plant in the family Asteraceae, native to eastern and central North America. It is an erect herbaceous perennial with triangular toothed leaves, and daisy-like yellow composite flower heads in summer.
Family:
Asteraceae (Aster)
Height:
4 to 8 feet
Leaves:
Large, opposite leaves (6-10" long) united at the base to form a cup along a square stem
Flower:
Each plant has several yellow flowers with 20-30 petals and darker yellow centers
Bloom time:
July-September
Habitat:
Prairies, shorelines, wetlands
Wildlife Benefits:
The cup-like leaves hold rainwater that is used by birds and tree frogs. The seeds are eaten by birds and mice.
Can I plant this in my garden?
Prefers full to part sun and grows well in upland moist to wet soil conditions.
References:
https://www.minnesotawildflowers.info/flower/cup-plant
http://www.illinoiswildflowers.info/prairie/plantx/cupplantx.htm
Family | Asteraceae |
---|---|
Habit | Forb |
Life cycle | perennial |
Origin | native |
Flower | yellow |
Bloom time | (7) July, (8) August, (9) September |
*sites | Lake Phalen, Snail Lake |