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Spiny Sowthistle
Sonchus asper
In the United States:
Introduced
· also called prickly sowthistle
Visited by honey bees primarily for pollen; produces clusters of small yellow composite flowers over several weeks in summer. Common annual weed of disturbed sites and roadsides that readily self-seeds.
| Nectar | low |
|---|---|
| Pollen | low |
| Bloom (US) | June–October |
| Duration | ~30 days |
| Type | Perennial |
| Sun | full |
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