Seed rain Species
Here are a few invasive species in the Seattle area that can spread through seed rain. Control methods available at King County Noxious Weed. Click the photo for Best Management Practices.
WORST OF THE WORST
Dirty Dozen ranked by current and potential impact
Dirty Dozen ranked by current and potential impact
1. English Ivy
2. English Holly
3. Himalayan Blackberry
4. English Laurel
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5. English Hawthorn
6. Scotch Broom
8. Bohemian & Giant Knotweed
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9. Poison Hemlock
10. Italian Arum
11. Yellow Archangel
12. European Mountain Ash
.Photo Credits: King County Noxious Weeds & Ben Legler
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