Serving Seattle & Surrounding Areas

SeaTac, Washington's Landscape Supply Company

We make landscaping projects simple, reliable, and stress-free.

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How It Works

Getting started is easy — just follow these simple steps

1

Choose your product

Make sure you adjust the quantity to your home's needs. You can use our calculator to estimate how much you'll need.

2

Select your delivery date

Select a delivery date you'd like for the product to be dropped off at your home

3

Sit back and wait

Sit back, wait, and let us work our magic to make sure the highest quality product is delivered to your driveway.

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Complete Your SeaTac Outdoor Project

We’ve got you covered with our full line of landscape supply products, from premium mulch and quality soil to decorative stone, helping you create a cohesive, professional landscape that enhances your property for years to come.

Mulch Mound Pro Tip

Planting during overcast weather or evening hours reduces transplant stress for Seatac landscape additions significantly. Direct sun and heat increase moisture demands on plants before roots can absorb water from new locations. Cloudy conditions and cooler temperatures give transplants time to recover and begin establishment before facing full sun exposure.

Need Help Calculating How Much You Need?

Use our NEW bulk material calculator where you can Trace from Satellite imaging to get a quick estimate for your project without busting out the tape measure

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Mulch Mound Pro Tip

SeaTac's proximity to the Green River valley and its glacial till base means many properties deal with standing water between November and March. Installing catch basins connected to French drains filled with clean drain rock redirects water before it drowns shallow-rooted plants or erodes bed edges. Even a modest gravel-filled dry creek bed can dramatically reduce waterlogged conditions throughout SeaTac's wettest months.

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Delivering to SeaTac, Washington

Primary ZIP: 98188
Mulch Mound Pro Tip

SeaTac soils tend to be dense glacial till with limited organic matter,adding 3 to 4 inches of finished compost worked into the top foot before planting makes a measurable difference in plant establishment. In Zone 8b, fall is an excellent time to amend beds so winter rains help integrate organic material naturally. Consistent yearly improvement builds the living soil structure SeaTac gardens need to thrive.

Frequently Asked Questions

Click a question to see the answer

Answer

What mulch depth is recommended for SeaTac's wet winters?

In SeaTac, 2 to 3 inches of coarse bark mulch strikes the right balance,enough to insulate roots and suppress weeds through Zone 8b winters, but not so deep it stays saturated in our 40 inches of annual rain. Coarser textures drain better than fine mulches, which mat and create anaerobic conditions harmful to plant roots in SeaTac's poorly draining glacial till.

Answer

How can I prevent erosion on sloped areas of my SeaTac property?

Slopes in SeaTac are vulnerable during heavy November,January rainfall on glacial till that sheds water fast. Ground covers like creeping juniper combined with a 3-inch bark mulch layer stabilize soil between plants. For steeper grades, jute erosion mesh pinned over mulch provides immediate protection while roots establish. Drain rock channels along slope bases intercept runoff effectively.

Answer

Is bulk topsoil a good idea for leveling my SeaTac lawn before reseeding?

Bulk topsoil is a cost-effective way to level SeaTac lawns before overseeding. Use screened loam and apply no more than 1 inch at a time so existing grass isn't smothered. Timing matters,late August through September gives cool-season grasses time to root before our November frost arrives. Avoid heavy clay-based fill that compounds existing glacial till drainage challenges.

Get Started with Mulch mound Today

There's something special about SeaTac neighborhoods in full bloom. Bulk mulch, topsoil, and decorative stone—delivered fresh from our Seattle suppliers. Spend less time hauling and more time enjoying your beautiful yard.

See what other options Mulch Mound offers for landscape supply delivery in Seattle