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How to Get Rid of Crabgrass in the Lawn

- Tuesday, July 23, 2019
Monnick Supply, Marlborough, Framingham, MA

Crabgrass gets its name because it grows low to the ground with stems that radiate out from the center of the grass clump, resembling crab legs. Seeds begin to sprout in mid-spring, as soon as the soil temperature reaches 55 °F, and crabgrass can quickly become a problem during the summer because it is able to grow vigorously in hot, dry conditions. Crabgrass is an opportunistic annual weed that will grow in the thin and bare spots in your lawn. Before it dies in the fall, a single crabgrass plant produces thousands of seeds that can germinate the following spring.

How to Kill Crabgrass

If you only have a few crabgrass plants in your lawn, you can treat them with a ready-to-use product like Scotts® Spot Weed Control - For Lawns. This spray will kill crabgrass and listed weeds down to the root without harming your lawn, when used as directed. You can also pull crabgrass by hand using a hand trowel or digging knife, but it should be done early in the season before the plants can produce seeds.

If crabgrass has taken over your lawn, it’s time to treat with a product like, Roundup® For Lawns3 Ready-To-Spray, which is ideal for applying to your entire lawn. The fast-acting formula starts killing on contact and kills weeds down to the root so they don't come back. Always be sure to follow instructions before using any product.

Here are a few more tips for preventing crabgrass:

Mow at the proper height. You can discourage crabgrass by mowing at the proper height for your grass type. Mowing higher, usually at one of the top two setting on your mower, allows taller grass blades to shade the soil, which in turn helps prevent the germination of crabgrass seeds.

Feed regularly. A thick, full lawn seldom contains much crabgrass. When your lawn is underfed and stressed out, however, it has a greater chance of being taken over by weeds. Feeding your lawn regularly, every 6 to 8 weeks, during the growing season with a lawn fertilizer like Scotts® Turf Builder® Lawn Food (as directed) helps your lawn stay thick and lush, making it less welcoming to weeds (like crabgrass) by leaving little space for them to grow.

Deep water your lawn. Weeds are better adapted to adverse growing conditions than most lawn grasses. Shallow, frequent watering encourages shallow root growth, making the grass more likely to suffer during periods of heat and drought. That kind of stress can lead to thin patches and bare spots that crabgrass will take advantage of. Instead, water lawns deeply (to a depth of 6 to 8 inches) and infrequently to encourage your lawn to develop deeper roots, so it can grow thicker to help crowd out weeds.

Repair lawn damage. Crabgrass plants will be killed by frost in the fall, leaving behind bare spots. Don’t panic! All you need to do is repair the bare spots to help keep new weeds out. Fill the spots with a patching product, like Scotts® EZ Seed® Patch & Repair, and keep it watered until the new grass is established. For more information on lawn care, contact Monnick Supply in Marlborough and Framingham, MA.

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OUR STORE LOCATIONS

Marlborough Store

135 Maple Street,
Marlborough, MA
Call (508) 318-4788


Mon-Fri 7:00am to 6:00pm
Sat 7:00am to 5:30pm
Sun 12:00pm to 4:00pm

Framingham Store

759 Waverly Street,
Framingham, MA
Call (508) 386-9876


Mon-Fri 7:00am to 6:00pm
Sat 8:00am to 5:30pm
Sun 10:00am to 4:00pm

Monnick Supply $$
135 Maple St.
Marlborough MA 01752
United States
(508) 318-4788
Mon-Fri 7am - 6pm
Sat 7am - 5:30pm
Sun 12pm - 4pm
Monnick Supply $$
759 Waverly St.
Framingham MA 01702
United States
(508) 386-9876
Mon-Fri 7am - 6pm
Sat 8am - 5:30pm
Sun 10am - 4pm