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Russian Knapweed
Leuzea repens
In the United States:
Invasive
· also called creeping knapweed, hardheads
Listed as invasive. Check local regulations — several jurisdictions restrict planting.
A rhizomatous perennial in the aster family that produces pink to purple flower heads from early summer into fall. Honey bees and other foragers visit the blooms for nectar and pollen during the active flowering period. It spreads aggressively via creeping roots and establishes in disturbed, dry sites.
| Nectar | medium |
|---|---|
| Pollen | low |
| Bloom (US) | June–September |
| Type | Perennial |
| Sun | full |
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