Don from Udall, Ks writes
The lawn does not need to be wet before applying Ferti-Lome For All Seasons Lawn Food Plus Crabgrass and Weed. Per the product label: Most effective weed control will be obtained when it is activated by at least 1/2 inch of rainfall, irrigation, or shallow (1 to 2 inches) incorporation, prior to weed seed germination and within 14 days following application.
Answer last updated on: 04/10/2019