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Common Burdock
Arctium minus
In the United States:
Invasive
· also called lesser burdock
Listed as invasive. Check local regulations — several jurisdictions restrict planting.
Honeybees and other bees visit the second-year flowers for nectar and pollen. Pink to purple thistle-like flower heads appear in mid to late summer on tall branched stems following a first-year basal rosette. The plant produces prickly seed burs after bloom.
| Nectar | medium |
|---|---|
| Pollen | low |
| Bloom (US) | July–October |
| Type | Perennial |
| Sun | full |
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