Root Rot of Lavender: Scouting is the Key to Prevention
Be on the Lookout for Phytophthora on Lavender
Pacific Northwest Plant Disease Management Handbook – Lavender-Root Rot
Pest Notes: Soil Solarization for Gardens & Landscapes Management, UC ANR Publication 74145
WSU Plant and Insect Diagnostic Laboratory
WSU Puyallup Research & Extension Center
2606 West Pioneer, Puyallup, WA, 98371-4998 USA
Last updated 9/25/2025