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*The Angi rating for Weed Maintenance companies in Harvard, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Weed Maintenance needs.

*The HomeAdvisor rating for Weed Maintenance companies in Harvard, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Weed Maintenance needs.

Last update on May 01, 2026

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Weed Services questions, answered by experts

Mowing your grass regularly, especially if you’re mowing close to the ground, can help kill Johnsongrass. Frequent mowing helps limit the spread of Johnsongrass and can even deplete carbohydrate reserves in rhizomes over time. The more time you leave in between mowing, the more likely Johnsongrass is to regrow and take over your lawn. 

Herbicides containing a combination of the active chemical ingredients dicamba, fluroxpyr, and quinclorac are most effective at purging your turf of white clover. However, for small home lawns, organic prevention and control can be very effective methods for killing clover weeds and save you from using harmful pesticides that might damage your lawn.

There are tools known as “sprinkler donuts” that are specially designed to aid in cutting the grass around your sprinkler heads by protecting them from your mower or weed whacker. You can also use a pair of hand shears to do the job manually if you’re willing to get a little dirty.

Typically seasonally, but tailored schedules depend on local conditions and plant types.

It usually takes between two weeks and a month for weeds to fully die off after you spray them with herbicide, but they will start to wilt within the first week. Different weed sprays produce different results, with some working more quickly and effectively than others. Similarly, some weeds are killed more easily than others. Consult your weed removal pro for an exact timeline based on their weed removal method.

The Harvard, IL homeowners’ guide to weed maintenance services

From average costs to expert advice, get all the answers you need to get your job done.

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