Lawn Care in Hillsboro, OR for Cool Humid Yards
Hillsboro lawn care means working with cool humid air and moisture-loving fungus that crashes the party uninvited.

Lawn care in Hillsboro built for Oregon rain
Hillsboro sits in the heart of the Willamette Valley, where summer farmers markets give way to months of gray drizzle. That cool humid Pacific climate keeps lawns lush but invites fungal guests nobody asked for.
Sunday builds custom lawn plans using satellite imagery of your actual yard and local growing data. We've analyzed soil from properties across Oregon to understand what Hillsboro lawns really need (not what a generic bag assumes).
What Sunday delivers for Hillsboro yards
- Nutrient pouches matched to acidic silt soil
- Seasonal timing based on Oregon's cool-season rhythms
- Pesticide-free formulas safe for bare feet and dog paws
- A proprietary lawn analysis to start things right
How it works
Get yard analysis
Answer a few easy questions about your yard and location to help us create your unique plan.
Open your box
Your first box—including a free soil test—will arrive right when your lawn needs it.
Spray it on
Attach the custom fertilizer to your hose and spray. Then relax and wait for your next box!
Lawn care for Hillsboro, Oregon
| Average lawn size | 1,896 sq ft |
| Dominant grass type | Cool-season grasses like bluegrass, ryegrass, and fescue |
| Typical soil pH | 5.8 (slightly acidic) |
| Organic matter | 6.5% |
| Soil composition | 16% sand, 68% silt, 15% clay (silt loam) |
| Key nutrients | Potassium 217 ppm, phosphorus 94 ppm, calcium 1,969 ppm |
Hillsboro lawns grow in silt-rich soil that holds moisture well but tends toward the acidic side. That's great news for cool-season grasses, though the Pacific Northwest humidity means you'll want to stay alert for fungal issues during wet stretches.
Why Hillsboro lawn care starts underground
Your silty soil is a double-edged sword: it retains water beautifully but can compact easily if you overwork it. Water deeply but less often, and aerate in fall to keep roots breathing. One common misstep? Over-liming to "fix" acidic soil when your grass actually thrives in it. Check out our lawn guides for region-specific tips that won't steer you wrong.
Sunday lawn care reviews near Hillsboro, OR
Wonderful products and great service!
Wonderful products and great service!
David
Portland, OR

10/10
Works great! Like clockwork.
Steve
Portland, OR

Stylish yard. Happy grass
Lush and deep green grass. Dogs love it and it retains water well.
Charlie
Portland, OR
Lawn
My lawn looks better than it has in years and am only part way through the plan, would highly recommend!
Patricia
Portland, OR
Easy to use products.
Easy to use products.
Amy
OR
Nice Results
Easy applications, no Brainer.
Charles
Portland, OR
Wonderful products and great service!
Wonderful products and great service!
David
Portland, OR

10/10
Works great! Like clockwork.
Steve
Portland, OR

Stylish yard. Happy grass
Lush and deep green grass. Dogs love it and it retains water well.
Charlie
Portland, OR
Lawn
My lawn looks better than it has in years and am only part way through the plan, would highly recommend!
Patricia
Portland, OR
Easy to use products.
Easy to use products.
Amy
OR
Nice Results
Easy applications, no Brainer.
Charles
Portland, OR
Let's get started
Hillsboro, Oregon FAQs
How to grow grass in Hillsboro, Oregon
| Recommended grass species | Perennial ryegrass, tall fescue, fine fescue, Kentucky bluegrass |
| Best establishment method | Seeding |
| Spring seeding window | May 7 to June 15 |
| Fall seeding window | August 1 to September 20 |
Hillsboro's mild, wet winters and dry summers make cool-season grasses happy here, though all that moisture means fungal diseases love to crash the party. Acidic silt soil drains well but often needs a little pH attention before seeding.
Why fall seeding wins in the Willamette Valley
Your best window runs August through mid-September, when soil stays warm but summer drought pressure fades. Grab some premium grass seed and skip the rookie move of overwatering new seed (soggy soil invites fungus faster than you'd think). Not sure which variety fits your yard? Find the right grass for my yard or browse our grass seed guides.
Hillsboro, OR lawn care blogs

Lawn Care During Drought: How To Keep Your Grass Alive
Discover Sunday's science-backed approach to lawn care during droughts to help your lawn survive and conserve precious water resources.

Cool-Season Lawn Care Guide
A month-by-month guide for cool-season lawns. Learn what to do in spring, summer, fall, and winter to keep fescue, bluegrass, and ryegrass healthy year-round.

Cool-season Fall Lawn Care Playbook
Don't wait for spring. Fall is the most important season for cool-season lawns. Our guide covers the three key steps, fertilizing, seeding, and weed control, for a thicker, stronger lawn.

How to Train Your Lawn to Use Less Water
Learn how to train your lawn to use less water and prep for drought and heat stress before summer starts.
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