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Oregon Grape
Mahonia aquifolium
In the United States:
Native
· also called oregon grape, oregon grape holly
Honeybees visit the bright yellow flowers for nectar and pollen during early-spring bloom, with peak foraging from March to May. This evergreen shrub provides reliable early-season resources but may need pruning to control suckering in managed landscapes.
| Nectar | medium |
|---|---|
| Pollen | medium |
| Bloom (US) | March–May |
| Hardiness zones | 5-8 |
| Duration | ~2 weeks |
| Type | Perennial |
| Sun | partial |
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