Lawn care made just for Castle Rock, CO
Lawn plans customized to your Castle Rock, CO lawn and delivered to your door.

Castle Rock, CO – meet custom DIY lawn care
Perched between Denver and Colorado Springs, Castle Rock presents unique lawn challenges with its high altitude and dry climate. That's where Sunday comes in.
Sunday is a DIY lawn care subscription that makes growing a healthy lawn simple. We analyze your Castle Rock property using soil data, climate patterns, and satellite imagery to create a plan specifically for your yard. Our products use effective ingredients without harsh chemicals, making them better for Colorado's environment.
Unlike traditional lawn care in Castle Rock that relies on one-size-fits-all approaches, Sunday's science-backed formulas address what your specific lawn in Castle Rock, CO actually needs. Our customers in Colorado consistently report greener lawns with less work, as you can see in our Sunday lawn care reviews.
Everything ships to your door with clear instructions on when to apply. No guesswork required.
Ready to see what Sunday can do for your Castle Rock lawn? Get your Custom Lawn Plan today.
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 Castle Rock, Colorado
Typical lawn size in Castle Rock | 1500 sq. ft. |
Dominant grass type in Castle Rock | Cool-season grasses like Kentucky bluegrass, perennial ryegrass, and tall fescue |
Typical soil pH for Castle Rock lawns | 7.5 which is slightly alkaline |
Typical organic matter in Castle Rock lawns | 4.88% |
Castle Rock lawn soil composition | 41% sand, 35% silt, 24% clay |
Key soil nutrients in Castle Rock lawns | Phosphorus: 149 ppm, Potassium: 327 ppm, Calcium: 3230 ppm, Iron: 138 ppm |
Castle Rock lawn care starts with understanding your soil. The typical Colorado lawn here has a mix of sand, silt, and clay, making it decent for growing cool-season grasses like Kentucky bluegrass and tall fescue. With a pH of 7.5, Castle Rock soil runs slightly alkaline, which can affect how well grass absorbs nutrients.
Getting a soil test helps you know exactly what your lawn needs. Most Castle Rock lawns show good nutrient levels, but regular fertilizing helps maintain healthy grass growth.
Key tips for lawn care in Castle Rock:
- Match your lawn care schedule to cool-season grass needs
- Work with your soil type - sandy loam soil needs more frequent watering
- Plan your lawn care around the average 1,500 square foot yard size
- Focus on building organic matter through proper mowing and maintenance
Want better results? Create a custom plan based on your exact Castle Rock lawn conditions or browse our lawn care products picked for Colorado yards.
Sunday lawn care reviews near Castle Rock, CO

I love Sunday
I love the fact that everything is measured out and delivered when needed.
Kevin
Castle Rock, CO

No muss No fuss
Great product. Easy to use.
Mark
Castle Rock, CO

Works as advertised and customer
Works as advertised and customer service is helpful and responsive.
C. J.
Castle Rock, CO

Easy peasy!
Good so far! I've enjoyed how easy everything is to setup and the custom schedule with date ranges to apply each item.
Adam
Castle Rock, CO

Amazing deep green color
Amazing deep green color
Michael
Colorado

One of the best lawns in the neighborhood
I've never had a lawn before so I signed up for Sunday to help care for my grass. Our lawn is one of the best in the neighborhood! I especially notice the impact of the fertilizer after we winterize… other grass just turns brown and has to be revived next spring but ours is still a vibrant green after all the snow melts!
Laura
Castle Rock, CO

I love Sunday
I love the fact that everything is measured out and delivered when needed.
Kevin
Castle Rock, CO

No muss No fuss
Great product. Easy to use.
Mark
Castle Rock, CO

Works as advertised and customer
Works as advertised and customer service is helpful and responsive.
C. J.
Castle Rock, CO

Easy peasy!
Good so far! I've enjoyed how easy everything is to setup and the custom schedule with date ranges to apply each item.
Adam
Castle Rock, CO

Amazing deep green color
Amazing deep green color
Michael
Colorado

One of the best lawns in the neighborhood
I've never had a lawn before so I signed up for Sunday to help care for my grass. Our lawn is one of the best in the neighborhood! I especially notice the impact of the fertilizer after we winterize… other grass just turns brown and has to be revived next spring but ours is still a vibrant green after all the snow melts!
Laura
Castle Rock, CO
Let's get started
Castle Rock, Colorado FAQs
How to grow grass in Castle Rock, Colorado
Most common grass type in Castle Rock | Cool-season grasses |
Best way to grow grass in Castle Rock | Seeding |
Recommended grass species for Castle Rock lawns | Kentucky bluegrass, perennial ryegrass, tall fescue |
When to start growing grass in Castle Rock | Spring from May 15 to June 5 or fall from September 8 to September 29 |
Castle Rock lawn care starts with choosing the right grass and timing. Cool-season grasses grow best in Colorado's climate, with Kentucky bluegrass, perennial ryegrass, and tall fescue as top picks for local lawns. Check out our grass seed options to find what works for your yard.
The best times for seeding in Castle Rock are:
- Spring: May 15 to June 5
- Fall: September 8 to September 29
Fall offers prime conditions for lawn seeding in Castle Rock. The cooling temperatures and regular moisture help grass seeds grow strong roots before winter. Spring seeding works too, but watch out for summer heat stress on young grass.
For the best results when seeding your Castle Rock lawn:
- Test your soil before seeding
- Pick grass types that match your yard's sun and shade
- Keep the soil moist until seeds sprout
- Follow a custom lawn plan for ongoing care
Not sure which grass type fits your yard? Try our seed finder tool to match your lawn care needs in Castle Rock.
Castle Rock, CO lawn care blogs

Cool-Season Lawn Care Guide
Maintaining your lawn throughout an entire year doesn't have to be overwhelming. We've created a month-by-month calendar that tells you exactly what your cool-season lawn needs throughout the seasons.

Warm-season Grass vs. Cool-season Grass: Choose the Right Grass for Your Lawn
Learn the differences between warm-season and cool-season grasses to select the best type for your yard. Expert tips from Sunday.

Growing a Warm-Season Lawn in the West
Learn how to grow a strong lawn in the west with warm-season grasses including bermudagrass, zoysiagrass, St. Augustinegrass, Kikuyugrass, buffalograss, bahiagrass, and paspalum.

Growing a Cool-Season Lawn in the West
Learn how to grow a strong lawn in the west with cool-season grasses including Kentucky bluegrass, annual and perennial ryegrasses, tall fescue, and fine fescue.
Join your Sunday neighborhood
Check out how many of your neighbors are already making an impact! Every home that switches to Sunday helps make your neighborhood a better place for people, pets, and the planet.
Be a pioneer!
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