Should i kill weeds before overseeding

Warm-season grass lawns such as Bermuda, Zoysia, and Centipede grass should be overseeded in spring. Cool-season grasses Kentucky Bluegrass, Fescue, Ryegrass sprout and survive best when overseeded in fall. Another factor that makes overseeding in fall a great option for cool-season grass lawns is that few weeds will be present. Even if your lawn was infested with crabgrass in spring, by fall it will have begun to drop its seeds and die off.

If you overseed in fall, your new grass will sprout and establish itself. By spring, the grass will be thick enough to prevent many of those crabgrass seeds from sprouting. The best grass seed for overseeding is grass that will grow well in your climate. In regions with freezing winters, choose cool-season grass. In regions where winters seldom freeze, warm-season grass will perform best.

This will create a uniform, beautiful lawn. The best grasses for choking out weeds in your lawn depend on your location. If you are planting warm season grass and wish to have a weed-resistant lawn, Bermuda grass is your best choice. It spreads through runners and roots to take over areas, which prevents weeds from getting a toehold. Kentucky Bluegrass spreads faster than any other cool-season grass. Skip to content.

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So why do you have weeds in your lawn? How do these pesky, fast-growing plants move in and take over? There are many factors that can contribute to a weedy lawn, including watering too much or too little, setting your mower blade too low, not mowing often enough or having a yard with poor drainage.

Essentially, weeds are opportunistic; they grow when and where they can. Grass that is less than thriving provides the necessary space and opportunity for weeds to move in.

When weeds do begin to pop up here and there, chemical weed killers might appeal in the moment, but these products can actually be dangerous for people and animals, not to mention for your grass itself. The simple truth is that a thick, thriving lawn is the best weed deterrent on the market. The first consideration, before you start overseeding your lawn, is choosing the right variety of grass seed. The best options are perennial varieties that will do well both in your geographical region as well as in your particular yard.

If you have a yard with large trees and lots of shade, for example, a shade-tolerant variety like fescue might perform better than a different, sun-loving variety like Bermuda. Another thing to consider is how damp or dry your region is, and what type of drainage your yard has.