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. 

WORST OF THE WORST
 Dirty Dozen ranked by current and potential impact

1. English Ivy

2. English Holly

3. Himalayan Blackberry

4. English Laurel

5. English Hawthorn

6. Scotch Broom

7. Butterfly Bush

8. Bohemian & Giant Knotweed

9. Poison Hemlock

10. Italian Arum

11. Yellow Archangel

12. European Mountain Ash

.Photo Credits: King County Noxious Weeds & Ben Legler

---