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Spotted Knapweed
Bloom confirmed nearby
Centaurea stoebe
In the United States:
Invasive
· also called bushy knapweed
Listed as invasive. Check local regulations — several jurisdictions restrict planting.
Honeybees visit the pink-purple flowers for nectar that produces flavorful honey. Bloom occurs over a long period from mid-summer into fall in open sunny habitats. Short-lived perennial that spreads readily by seed in disturbed areas.
| Nectar | high |
|---|---|
| Pollen | low |
| Bloom (US) | June–September |
| Duration | ~4 months |
| Type | Perennial |
| Sun | full |