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Lawn Care Services

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It's nearly impossible to relax and enjoy spending time in your yard if it's overgrown, full of weeds, or dying from various causes. We understand that plants grow fast in Washington and that lawn care in Seattle or Tacoma can be a challenge. Regardless, if you put off lawn care tasks they just become more difficult and more time-consuming. Besides being annoyed with your yard, unkempt properties tend to have an overreaching effect, and they can begin to negatively affect how your neighbors perceive you. If you have found yourself struggling to keep up with yard maintenance, call the professionals at Washington Tree & Lawn Care to take care of everything for you.

Why Choose Washington Tree & Lawn Care

Climates vary from region to region, so not all lawn care is the same. Our Seattle and Tacoma lawn care service has been in operation since 1948, and because of this, we understand what type of soil and lawn issues we will encounter. We are a locally owned and operated family business that strives to deliver exceptional customer service and results. We are licensed by the Washington State Department of Agriculture, and all of our expert technicians are licensed to apply products.

Washington Lawn Care Programs

Because we have been doing lawn service for nearly 70 years, we know that our customers have different wants and needs. This experience has led us to offer both organic and traditional programs, as well as basic, premier, or custom lawn care options. Our experts will do an analysis of your yard and recommend services specific to the issues we encounter. Our lawn care programs include:

Natural Lawn Program: Our organic lawn care services only use products that are certified organic by the Washington State Department of Agriculture. This program entails 6 fertilizer applications and 1 lime application which will help balance the lawn’s PH.

Premier Lawn Program: Our premier program provides you with 8 applications per year. Around Oct-Dec we will apply fertilizer and moss control. Jan-Feb we will apply a granular lime application. Feb-March we will re-apply the fertilizer and moss control applications. Finally, around Apr-Oct we will apply 4 separate applications of liquid weed & feed or a granular fertilizer.

Washington Lawn Care Services

We provide a wide range of lawn maintenance services in both Seattle and Tacoma, and we guarantee you’ll be pleased with the quality of lawn care and customer service we provide. Our lawn services include:

Our expert technicians are licensed to apply products by the Washington State Department of Agriculture (WSDA). Additionally, all of our products are registered by the Environmental Protection Agency and approved for state use by the WSDA.


Even though the Puget Sound area is lush and provided with plenty of rainfall, the soil may not have enough essential nutrients necessary for optimal growth. Plants, shrubs, trees, and your grass are all competing for the limited nutrients in the soil, and because of this it is recommended to add additional nutrients to help them grow healthier, and fuller. Washington Tree & Lawn Care provides scheduled fertilization applications based upon the requirements of the yard deemed necessary by our expert analysis.

Weed Control

All lawns have varying amounts of weeds that need to be controlled. Even if you think your yard is weed free, those pesky guys find a way to come back to life. Besides simply looking unpleasant, weeds steal essential nutrients from the soil that could have been better fed to your grass, or other desired plants. We create custom weed control programs to remove these unwanted weeds, and guarantee approximately 85-95% control of the weeds in the landscape.

Lawn Aeration

Core aeration is a method used to remove thatching in yards. Thatch is simply the layer of decomposing grass, debris, and roots found between the soil and the grass. A modest level of thatch is important for healthy yards, however, if the yard becomes overrun with thatch then it becomes a hotbed for weeds, grass-eating bugs, and lawn diseases.

To prevent too much thatch from developing we use core aeration machines that produce breathing holes in the soil by removing chunks of grass, thatch, and soil.

Moss Control

Because moss sometimes takes over the grass, or finds itself clinging to unwanted structures, it can be important to control and remove it. In general, moss is a symptom of one or more of these instances: acidic soil, too much thatch, too much shade, too much or too little water. Let our experts analyze your lawn and determine the appropriate steps to eliminate the issue.

Lime Application

Soil has a tendency to become acidic, and it is sometimes necessary to spread a lime application a few times a year. The lime will neutralize the soil and raise the pH level, which in turn will provide a better growing environment for your grass. To combat against acidic soil it is recommended to spread a lime application which helps to neutralize the soil and raise the pH level. Our staff will test your lawn’s pH level and make recommendations as needed.

Crane Fly Control

As adults, the Crane Fly resembles a mosquito and is relatively harmless, however when they are in their larvae stage they can be very destructive to yards. A Crane Fly infestation can leave a yard with bald spots or yellow and thinned sections of grass due to their feeding habits. To avoid this damage it's best to apply insecticide in the Fall, killing them off before the larvae matures enough to feed off your lawn. This preventative maintenance can save both time and money in areas where Crane Flies are prevalent.

Chafer Beetle Control

The European chafer beetle feeds on grass roots while in its larval (grub) phase. It's eating habits effectively kill the grass and leav​e unsightly dead patches. Chafer grubs feed on grass in fall and spring. Most of the damage is caused in spring just before pupation, the transition from grub to adult.  ​Damage can also come later in fall and winter from birds and other wildlife. Other animals can destroy your lawn as they search for ​grubs. In summer, the adult beetles lay their eggs and start the cycle over again. The adult beetles are not usually a problem. It is primarily the grubs that are harmful to your lawn. Treatments are recommended in late summer and early spring.

Wetting Agents

It's possible for lawns to develop a hydrophobic or water repelling effect, especially during the hot and dry season. This outer waxy coating prevents water from penetrating the soil, thus eventually killing off the grass. For situations such as these, it is recommended to apply a wetting agent which can break up the waxy coating and allow moisture to penetrate the soil.


Seattle Lawn Care Service Areas
Washington Tree & Lawn Care
​4333 Harbour Pointe Blvd SW& Suite B
Mukilteo, WA 98275
(206) 400-6217
Monday to Friday 7am-5pm

Tacoma Lawn Care Service Areas
Washington Tree & Lawn Care
9716 26th Avenue South
Lakewood, WA 98499
(253) 200-0697
Monday to Friday 7am-5pm
Washington Tree & Lawn Care is a division of Senske Services, serving Seattle and the following communities in the Puget Sound area: Arlington, Bainbridge Island, Bellevue, Black Diamond, Bothell, Burien, Burlington, Camano Island, Carnation, Des Moines, Duvall, Edmonds, Everett, Fall City, Granite Falls, Hansville, Issaquah, Kenmore, Kent, Kingston, Kirkland, Lake Stevens, Lynnwood, Maple Valley, Marysville, Medina, Mercer Island, Monroe, Mountlake Terrace, Mukilteo, North Bend, Poulsbo, Ravensdale, Redmond, Renton, Sammamish, Seatac, Seattle, Sedro Woolley, Shoreline, Snohomish, Snoqualmie, Stanwood, Woodinville, WA.

Serving Tacoma and the following communities in the South Puget Sound area: Auburn, Bonney, Bremerton, Buckley, Dupont, Eatonville, Enumclaw, Federal Way, Fox Island, Gig Harbor, Graham, Lacey, Lakebay, Lakewood, Milton, Olalla, Olympia, Orting, Pacific, Port Orchard, Puyallup, Roy, Silverdale, Spanaway, Steilacoom, Sumner, Tacoma, University Place, Vashon, Yelm.