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Purple Loosestrife
Lythrum salicaria
In the United States:
Invasive
· also called spiked loosestrife
Listed as invasive. Check local regulations — several jurisdictions restrict planting.
A tall wetland perennial producing dense spikes of purple-magenta flowers that supply nectar and pollen to honeybees and other long-tongued bees throughout summer. Bloom is prolonged and progressive up the spikes in moist to wet soils. Individual plants form large clumps from a persistent rootstock.
| Nectar | high |
|---|---|
| Pollen | low |
| Bloom (US) | June–September |
| Duration | ~3 months |
| Type | Perennial |
| Sun | full |
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