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Ragweed
Ambrosia artemisiifolia
In the United States:
Native
· also called common ragweed, annual ragweed
Wind-pollinated annual herb that produces abundant airborne pollen but offers negligible nectar. Honey bees visit it only as a last resort for pollen during late-season dearth periods; the pollen is of poor nutritional quality. Blooms from mid-summer into early autumn in open, disturbed sites.
| Nectar | low |
|---|---|
| Pollen | low |
| Bloom (US) | July–October |
| Duration | ~45 days |
| Type | Perennial |
| Sun | full |
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