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.
If you are interested in joining our mailing list or participating in the PRCR research project, fill out this form.
Information about best management practices in the ornamental nursery section of the website – can be adapted for lavender growers
Soil preparation for Lavandula is critical for the long term survival of the plantation. Neglecting to prepare the soil properly will reduce the longevity and yield of the crop. This article has useful information about the right soil conditions for lavender.