Seattle, WA Lawn Treatment & Fertilization | Weed Control

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4.7 / 5 ★★★★★

500,000+ reviews

★★★★★

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These Seattle lawn treatment professionals are ready for work

Top Performer

Paul Cady

★★★★★

Top Pro

Land Morphology Inc

1512 Alaskan Way,

Seattle, WA 98101

"Land Morphology Inc has offered lawn and landscape service to residents in and around Seattle for over 3 years. The company deals with all sorts of lawn and landscape jobs including landscaping, sod installation, shrub care and irrigation. Land Morphology Inc has 5 technicians who past clients have described as friendly and consistent. If you need a professional lawn and landscaping service, call Land Morphology Inc."

3 yrs experience

5 Employees

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In High Demand

Diane Taylor

★★★★★

Rising Star 2025

Portico Inc

1500 4Th Ave Ste 510,

Seattle, WA 98101

"In need of a lawn and landscape company? Portico Inc provides lawn service to residents and businesses of Seattle and surrounding areas. They offer landscaping, mulching and bush trimming. Customers describe the service as reputable and curteous."

17 yrs experience

8 Employees

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Fast Response

Larry M Smart

★★★★★

Top Pro

Atelier Ps Landscape Architects

1402 3Rd Ave Ste 1000,

Seattle, WA 98101

"Looking for your grass cut or flowerbed mulched? Atelier Ps Landscape Architects is a landscaper located in Seattle, WA known for quality work and great pricing. The company was founded in 2005, has 20 employees, and is operated by lawn industry veteran Larry Smart."

15 yrs experience

20 Employees

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Seattle, WA - Apr 30, 2025
Seattle Lawn Treatment Facts

Demand for Lawn Treatment by Month

January	15
February	43
March	57
April	100
May	85
June	76
July	75
August	62
September	28
October	26
November	14
December	13

Lawn Treatment Services & Avg Pricing

Lawn Treatment	$74
Lawn Fertilizing	$69
Lawn Aeration	$116
Weed Control	$60
Mulching	$297
Lime Addition	$72
Lawn Reseeding	$672
Dethatching	$226

The Best Lawn Fertilization and Lawn Treatments in Seattle

Seeking a lush, thriving lawn in the Emerald City? In Seattle, where rain-soaked winters blend into mild summers, maintaining a vibrant lawn is a unique challenge.

LawnStarter effortlessly bridges the gap between Seattle homeowners and premier lawn fertilization professionals, ensuring your lawn is as robust and lively as Seattle’s bustling city life.

Cost of Lawn Fertilization in Seattle

Lawn fertilization costs in Seattle typically fall on the higher end of the national range. On average, fertilization costs between $103 to $343 nationally.

This cost variation is influenced by several key factors:

Size of your yard (larger yards will cost more)
Number of treatments (more treatments, lower per-treatment price)
Type of fertilizer used (liquid or granular, fast or slow-release, etc.)
Cost is often lower if bundled with other services

When Is the Best Time to Fertilize Your Lawn?

In Seattle, spring lawn care is crucial for a healthy lawn. Mid-May is the best time for fertilizing, particularly if the lawn appears thin.

Lawn Fertilization: DIY or Hire a Pro?

Choosing between a DIY approach and professional lawn fertilization in Seattle depends on various factors. While DIY can be appealing, it requires the right equipment, appropriate fertilizer, and a solid understanding of your lawn's specific needs.

However, lawn care professionals bring specialized tools and materials and also possess in-depth knowledge of Seattle's environmental conditions, ensuring your lawn receives the most effective treatment.

Other Lawn Treatment Services in Seattle

A holistic approach to lawn care is essential in Seattle. For a healthy lawn year-round, consider these lawn care services:

Mowing (routine mowing keeps your yard looking great)
Weed Control (pre-emergent/post-emergent herbicides)
Overseeding/Reseeding/Hydroseeding (for new or thicker turf)
Mosquito Control (to reduce the presence of these pests in your yard)
Aeration (to reduce soil compaction)
Dethatching (thatch often is a breeding ground for lawn pests and diseases)

These services complement lawn fertilization, providing a comprehensive lawn care solution. Bundling these services with one lawn company not only offers convenience but can also lead to cost savings.

LawnStarter simplifies the process of connecting you with experienced lawn care professionals in Seattle. A few clicks on our platform can arrange everything from fertilization to routine maintenance, freeing up your time to enjoy Seattle's natural beauty, from the shores of Puget Sound to the trails of Discovery Park.

Top Seattle, WA Lawn Treatment Services of April 2025

We have reviewed local businesses across 4 different categories to come up with the best lawn treatment companies in Seattle, WA. These 10 businesses scored the highest points across the 4 categories: professionalism, experience, reliability and reputation. LawnStarter is not affiliated with these businesses.