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Verified Reviews for Lawn Fertilization And Treatment pros in Helena, MT

*The Angi rating for Lawn Fertilization And Treatment companies in Helena, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Lawn Fertilization And Treatment needs.

*The HomeAdvisor rating for Lawn Fertilization And Treatment companies in Helena, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Lawn Fertilization And Treatment needs.

Last update on November 16, 2025

Find Lawn fertilization and treatment specialists in Helena

Diamond J Services

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Diamond J Services

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Free onsite estimate

We are Diamond J Services, based out of Roundup and Billings Montana and we offer quality custom fencing , weed spraying services and snow removal. We provide services in the eastern half of Montana and the western half of North Dakota. The two main cities that we service are Billings, Montana and Williston, North Dakota as well as a large radius around both cities. We have been in business over 26 years and are licensed contractors and insured in both Montana, Wyoming, and North Dakota. We take the no-nonsense approach to all our jobs and we have the knowledge, experience, and equipment to get the job done efficiently. Call us today and we will meet with you and give you a free written estimate on the work that you need completed.

We are Diamond J Services, based out of Roundup and Billings Montana and we offer quality custom fencing , weed spraying services and snow removal. We provide services in the eastern half of Montana and the western half of North Dakota. The two main cities that we service are Billings, Montana and Williston, North Dakota as well as a large radius around both cities. We have been in business over 26 years and are licensed contractors and insured in both Montana, Wyoming, and North Dakota. We take the no-nonsense approach to all our jobs and we have the knowledge, experience, and equipment to get the job done efficiently. Call us today and we will meet with you and give you a free written estimate on the work that you need completed.

Kelson Services

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Kelson Services

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20 years of experience

Full service commercial and residential lot maintenance company. Small company, attention to detail. Provide prompt billing, with options to receive payment electronically. We accept, cash, check, Mastercard, Visa, American Express.

Full service commercial and residential lot maintenance company. Small company, attention to detail. Provide prompt billing, with options to receive payment electronically. We accept, cash, check, Mastercard, Visa, American Express.

Lawn Fertilization and Treatment questions, answered by experts

Leaf removal, aeration, dethatching, mowing, pruning, and fertilizing are activities that prepare lawns for the next season.

Yes, but the best approach is to apply fertilizer well before you actually sprinkle the seeds. Apply fertilizer with an NPK ratio somewhere around 10-10-20, or 10-10-10, depending on soil test results and the type of grass you're planting, about six to eight weeks before planting grass seed. This mix added to loosened soil will give the grass seed its best chance of getting off to a solid start. 

Each season’s climate influences approaches needed for effective suppression.

The first step is killing any current nutgrass plants, either through application of herbicides or sugar, by digging up the plants and rhizomes, or by using soil solarization. To discourage new nutgrass plants from forming, ensure proper landscape drainage and bring shade into areas of the lawn that are consistently damp.

A spot herbicide for weed control is effective at killing crabgrass and not grass, but it depends on the type of herbicide. Always check the label to ensure that your herbicide is safe for grass but tough on crabgrass. Overall, spot treatment is ideal because it puts fewer herbicides into the soil, which can damage the soil. If you’re wanting a natural remedy to crabgrass that also won’t harm surrounding grass, you can also hand-remove crabgrass or even pour boiling water or 5% vinegar over crabgrass as a spot treatment.

The Helena, MT homeowners’ guide to lawn fertilization and treatments

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

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