Wildflowers
Cup Plant
Silphium perfoliatum
Features
Yellow, daisy-like flowers. The leaves are fused around the stem to form a cup, thus the common name.
Culture
Full sun; moist, well drained to wet soils.
Mature Height
4-8 Feet
Native To:
Illinois
Indiana
Iowa
Michigan
Missouri
Ohio
Wisconsin
USDA Hardiness Zone
3 - 9
Bloom Color
Yellow
Bloom Season
July - September
Soil Conditions
Moist, Well-Drained
Wet
Exposure/Light Requirements
Full Sun
Pests and Problems
Environmental Damage
Additional pests and problems that may affect this plant:
No serious insect or disease problems.
Additional Notes
Found in prairies and open woods. Listed as threatened in Michigan.
