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17 Divinity St
Bristol, CT, 06010
United States


Since 1975, O'Donnell Bros has been providing greater Bristol and Central Connecticut with residential and commercial remodeling solutions. We specialize in roofing, siding, windows, doors, gutters, downspouts and so much more. We look forward to helping you with all your remodeling needs. 

Get Rid of Unsightly Crabgrass and Breathe New Life Into Your Lawn


O'Donnell Bros President, Bob O'Donnell, is a regular contributor to The Bristol Press. Read his home improvement articles here.


Get Rid of Unsightly Crabgrass and Breathe New Life Into Your Lawn

Chelsea O'Donnell

With so much rain early in the season followed by a long period of hot and humid weather, this summer is definitely a record-breaker for crabgrass. This thick, clumpy weed is not only ugly but it’s bad for your lawn’s health too. You might be thinking that since we’re halfway through summer, there’s not much you can do, but treating crabgrass now is actually a smart move that will give your lawn a lush look before the season ends. 

As I said, crabgrass is a weed and just like other weeds, it likes to take over. Once it gets its roots down, it spreads quickly, killing healthy grass in its path. Of course, crabgrass dies on its own when it starts to turn cold, but not treating it means it’s more likely to come back next year. So here’s what you can do today to get rid of it and keep it at bay for next year. 

The best course of action is a pre-emergent, but that’s only good in the spring before the crabgrass starts to grow, so if you missed it, it looks like you’ll be pulling by hand. That’s right, get out that kneepad because the best way to remove the weed is to pull it out, ensuring the roots come with it. It’s been dry for a long time here in Connecticut, but recent rain will loosen those roots up a bit. 

Once you have the crabgrass out, you can fill in the bare spots with healthy grass seed and plenty of water. It’s important to wait to reseed if you’ve recently sprayed your lawn with weed killer as the seeds won’t be able to grow. The water is also key here because the heat does make it tough for grass to grow. 

Now for your mowing. It’s best to keep the grass a bit longer and to let the clippings stay in place to give some nutrients and shade back into the lawn. Three inches is a good, healthy length for both old and new grass. 

If you’re looking for a chemical solution, you can use a post-emergent but this can be tricky as the wrong product will kill your grass. When in doubt, it’s best to leave this job to a professional landscaper who can advise you on the most appropriate course of action. You don’t want to accidentally burn your whole lawn while trying to save it!

Don’t forget, treating your lawn with a pre-emergent in the spring is the best way to avoid crabgrass in the first place. Crabgrass starts to germinate when the soil reaches 55 degrees, so it’s a good idea to get out there in April to ensure that your hard work is worth the effort.

Bob O’Donnell is the owner of O’Donnell Bros. Inc., a Bristol-based home improvement company established in 1975. Email your questions for Bob to with the subject line “Ask the Pro.” All questions may be considered for publication. To contact Bob for your remodeling needs, call O’Donnell Bros. Inc. at (860) 589-5155 or visit Advice is for guidance only.