Surround® WP – 25 Lb. | Kaolin Clay | Johnny's Selected Seeds
A special formulation of Kaolin clay that forms an effective film barrier, protecting plants from pests by repelling them, causing irritation and confusion, and preventing feeding and egg-laying. Also protects against sun damage and reduces heat stress, cooling plants by 10–15° F. Typical application is by sprayer, but whole trays of ...