Ray from El Paso, Texas writes
Per the product label for Pro-Mate 20-0-10 Fertilizer with Barricade Pre-emergent: Most effective weed control in turf grasses will be obtained when this product is activated by at least 0.5 inch of rainfall or irrigation prior to weed seed germination and within 14 days following application.
Answer last updated on: 04/03/2022
