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Lawn Treatments


Early Spring Application


This application includes pre-emergent control for many grassy weeds, including the annoying crabgrass. The procedure is done prior to crabgrass germination and creates a barrier in the turf, prohibiting this eyesore from entering your lawn so it never gets to take hold. The pre-emergent weed control is blended with a premium dry granular fertilizer, so your grass grows better while the weeds die.

Spring Application


In this application, we blanket your entire lawn with a selective herbicide to provide broadleaf weed control for hundreds of annoying weeds. If present, dandelions and other broadleaf weeds will wilt and die shortly after the treatment, leaving your grass looking smooth, lush and pristine.

Early Summer Application


This treatment consists of a premium dry granular fertilizer with slow release nitrogen, which provides steady food for your lawn so it stays thick and green. Broadleaf weed control is also applied as necessary, to take care of any remaining broadleaf weeds that may have emerged in your grass.

Late Summer Application


As with the early summer treatment, we apply slow release nitrogen for maximum feed and a lush, luxurious lawn. If broadleaf weeds are present, we will spray them dead.

Fall Application


This application is probably the most beneficial for your lawn. While your lawn is preparing for winter by storing food and nutrients in its root system, it is important to feed it what it wants. This promotes the health of the grass plants, and ensures they will be ready to grow lush and green early next spring.

Insect & Disease Control


If an insect or disease appears in your lawn, we will notify you of the problem and rectify it. While lawns in the Hagerstown area are susceptible to certain insects and diseases, they are usually only treated on an as needed basis.

White Grubs are the most common problem encountered in lawns in our area, and can easily be treated with an insecticide. Two good indicators that you have a grub problem are:

1. The presence of moles looking for food (they cause small bumps in long lines through the grass).

2. Japanese and May/June Beetle damage to tree and shrub leaves in summer and early fall (they are the adult form of grubs and like to eat foliage close to home).

Call Grosh’s Lawn Service at (301) 842-0062, or e-mail us for a free consultation and estimate.



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Wednesday, Nov 22, 2017 8:03 am
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Thank you so much for the professional landscaping job that you and your employees did for us!

- Jim & Wilma Martin, Trailer Enterprises, Inc.


Flag Pole Installation
One way that you can honor the USA is to fly the American Flag. Grosh's Lawn Service is pleased to offer a 20Ft Aluminum flag pole with a Valley Forged (Made in the USA) sewn nylon flag......more>