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Phytophthora root and crown rot of lavender

Lavender has few pests and diseases and is often promoted as a sustainable crop because growers do not commonly need to apply pesticides and fertilizers in its production. However, recently growers have been reporting plants with symptoms of Phytophthora root and crown rot (PRCR) in their fields.

On this website you will find information about PRCR of lavender and how to manage it.

Phytophthora root and crown rot of lavender – Presentation by WSU at the WA Lavender Association meeting 3/24/2017 in Ellensburg, WA.

Useful websites about PRCR

A technique for testing lavender for PRCR

Information about best management practices in the ornamental nursery section of the website – can be adapted for lavender growers