Horticultural Pest Control Board
- 16 faculty earn tenure and promotion in 2026 Congratulations to the 16 faculty members who earned tenure and/or promotion this year!
- New Indigenous-focused horticulturist brings traditional ecological knowledge to light Exploring the connections between plants, cultures, and ecology, new CAHNRS scientist Jeffrey Wall’s research supports Native, rural, and urban communities, farmers, and nature.
Spotted Wing Drosophila (SWD)
Brown Marmorated Stink Bug (BMSB)
Potato Psyllid
Western Cherry Fruit Fly
Walnut Husk Fly lid
The Law
According to RCW 15.09.060 – Each owner of land containing any plant or plants shall perform or cause to be performed such acts as may be necessary to control and to prevent the spread of horticultural pests and diseases, such pests and diseases are defined under RCW 15.08.010, as now or hereafter amended, or as such pests and diseases are defined by the director of the department of agriculture in accordance with the purpose of this chapter and with the provisions of the Administrative Procedure Act, chapter 34.05 RCW. The word “owner” as used in this section shall mean the possessor or possessors of any form of legal or equitable title to land and entitlement to possession. For purposes of liability under this chapter, the owners of land shall be jointly and severally liable. RCW 15.09.080 for more information.
Summary: Homeowners may be liable for losses suffered by neighboring commercial orchards.