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Siberian Elm
Ulmus pumila
In the United States:
Invasive
· also called Chinese elm
Listed as invasive. Check local regulations — several jurisdictions restrict planting.
Bees visit the small, inconspicuous flowers primarily for abundant early-season pollen before leaves emerge. Bloom peaks in early spring in a relatively short window. The fast-growing tree tolerates poor soils and drought but produces weak wood that breaks easily.
| Nectar | low |
|---|---|
| Pollen | low |
| Bloom (US) | March–April |
| Duration | ~30 days |
| Type | Perennial |
| Sun | full |
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