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Cup Plant
Silphium perfoliatum
In the United States:
Native
· also called cup rosinweed, Indian cup, carpenter's weed
Tall herbaceous perennial with yellow composite flowers that provide nectar and pollen to honey bees and other bees from midsummer into fall. Attracts a range of bee species including bumble bees; hollow stems may be used for nesting by some solitary bees. Self-seeds readily and forms colonies in moist to wet soils.
| Nectar | medium |
|---|---|
| Pollen | low |
| Bloom (US) | July–September |
| Type | Perennial |
| Sun | full |
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