The Difference Between Crabgrass And Coarse Fescue

In today's lawn care blog post we talk about the difference between crabgrass and coarse fescue and how to identify them this spring.
Find The Difference Between Crabgrass And Coarse Fescue

Crabgrass vs Coarse Tall Fescue 

In the early spring, as lawns begin to green up, one very common misconception plagues homeowners; and it’s based on a failure to understand the difference between one very common perennial lawn weed and crabgrass, an annual.

One of the first weeds to green up in Spring is coarse fescue. This common lawn pest is a fast-growing, wide-bladed, medium-green grass plant that lives year after year in-home lawns across the country. With its rapid growth, this tough perennial sticks out like the proverbial sore thumb in lawns just beginning to turn green.

Spring Crabgrass On Your Lawn

The misconception on Crabgrass

The problem is, many homeowners believe they are seeing that old nemesis, crabgrass, and wonder how to prevent it. Truth is, coarse tall fescue greens up and grows rapidly literally weeks before crabgrass, an annual that sprouts from seed when soils warm to 55 degrees for several days, has begun to germinate. So, the round, fast-growing, wide-bladed grass in your lawn in early spring is NOT crabgrass at all.

Since coarse fescue, often referred to as Kentucky 31 coarse fescue, is a perennial plant, it spends the winter in the soil dormant but far from dead.

Spring Course Fescue On Your Lawn

How to Remove Coarse Fescue in the Spring

As Spring arrives, this very problematic weed takes off, growing more aggressively than other plants on the lawn. And, since the weed has over-wintered in the lawn, unlike annual crabgrass, it cannot be prevented. Making matters worse, coarse fescue cannot be selectively controlled; that is to say, any product strong enough to kill off the fescue will also kill surrounding, desirable turfgrasses.

Most homeowners control these nasty weeds by digging them out. Using a non-selective weed control is one option; however, nothing is less pleasing to the eye than dead or dying, brown fescue plants, each one 10-12 inches across, pockmarking an otherwise pretty lawn. Most important, is to understand that this coarse weed is not crabgrass and cannot be prevented or controlled with a pre-emergent barrier.

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