Tree-of-Heaven Removal: Bellevue vs Seattle
How do tree-of-heaven removal rules compare between Bellevue, WA and Seattle, WA?
Bellevue, WA
King County
No data available yet for Bellevue.
Seattle, WA
King County
Tree of heaven (Ailanthus altissima) is a Class C noxious weed in King County. Property owners are encouraged to control it; nurseries are barred from selling it. The species hosts spotted lanternfly, a feared invasive pest.
View full Seattle rules →Key Facts Comparison
| Fact | Bellevue | Seattle |
|---|---|---|
| Authority | - | King County Noxious Weed Board |
| Class | - | C noxious weed |
| State law | - | RCW 17.10 |
| Lanternfly host | - | Yes |
| Tree permit | - | Not required |
Highlighted rows indicate differences between cities.
Bellevue FAQ
No FAQs available.
Seattle FAQ
How do I kill a tree of heaven on my property?
Cut and apply systemic herbicide to the stump or use basal bark treatment in late summer. Mechanical-only removal triggers aggressive root suckering. King County offers free identification visits.
Should I report spotted lanternfly?
Yes immediately. Call WSDA Pest Hotline 800-443-6684 with photos. Spotted lanternfly is not yet established in Washington and early reporting is critical to containment.
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