Only rain or watering within 4 hours of application of the Fertilome Weed Free Zone would decrease the effectiveness. Rain 24 hours after application should not effect the application.
Fertilome Weed Free Zone will be less effective when using at temperatures less than 50 degrees Fahrenheit.
Fertilome Weed Free Zone will not harm Kentucky Bluegrass, Perennial Ryegrass, Tall Fescue, Red Fescue, Colonial Bentgrass, Common Bermuda Grass, Hybrid Bermuda Grass, Bahia Grass, Zoysia Grass, Buffalo Grass, St. Augustine and Centipede Grasses.
As long as Fertilome Weed Free Zone is used according to the label, it is not harmful to pets. Make sure all pets are out of the area during treatment until the product has had time to dry. Once this product has dried it will not pose any threat to your pets.
After applying Fertilome Weed Free Zone, you should not mow the lawn for two days.
When applying Fertilome Weed Free Zone, you will start seeing results within 7-14 days. The rate is 1.5-2 fl oz per gallon so we would recommend using that rate. Using less than labeled rates may not provide desirable results and you can reapply at 2 - 6 weeks intervals. The product should not be applied in temperatures over 90 degrees. It is recommended that you apply products in the early morning or late evening.