Silphium perfoliatum
$6.00
The native cup plant (Silphium perfoliatum) is a tall (4–10 ft), hardy North American perennial known for yellow daisy-like flowers and large, opposite leaves that form cup-like structures around the square stem, trapping water for birds and insects. Used for rain gardens, privacy screens, and wildlife support, it provides essential pollen for bees and seeds for birds.
| Soil Type | Clay, Loam, Sand |
|---|---|
| Soil Moisture | Medium, Moist, Wet |
| Sun Exposure | Full Sun, Partial |
| Height | 5′ – 10′ |
| Bloom Color | Yellow |
| Bloom Time | July, Aug, Sep |
Out of stock






