Carol from Pleasant Grove writes
Soil test shows my lawn has Summer patch. This year it killed nearly all the turf grass
Clearys 3336F Fungicide is a great product for Summer Patch however curative applications have limited affect, and recovery will be slow, as the grass must be actively growing in order for recovery to occur. Clearys 3336F can be applied as a preventive fungicide application in spring when the soil temperature at 2 inches is 65 °F for 5-6 days. Since bluegrass and fescue are cool season turfgrasses, reseeding should be done in late fall when there are cooler temps. Reseeding with cool season turfgrass in spring as temperatures warm up may cause slower seed germination. Please take a moment to view our Cool Season Turfgrass Calendar for general timing recommendations or contact the Master Gardener with the County Extension Office for exact timing recommendations. We also have our How to Care for Fescue and Kentucky Bluegrass Lawn Guides for more information.
Answer last updated on: 08/25/2021