Lawn Care Guide for Lincoln County
Lincoln County, Colorado
USDA SSURGO / PHZMThis week in Lincoln County · next up in about 2 weeks (Aug 10)
Get ready to seed cool-season grass — the best fall window is about to open.
Data Story
About Lawn Care in Lincoln County, Colorado
Top-Tier Colorado Lawn Ease
Lincoln County offers some of the best lawn conditions in the state with a score of 51.2, beating the national average. Despite the semi-arid climate, this Zone 5b county is more forgiving than its western neighbors.
Low Rain but High Growth
Annual precipitation is low at 14.4 inches, meaning supplemental watering is a must for green turf. You must manage 42 extreme heat days per year, which can quickly dry out the landscape during summer.
Optimal pH and Sandy Drainage
The soil pH of 7.22 is very close to the ideal range, while a 52.2% sand content ensures excellent drainage. This sandy foundation means you may need to fertilize more frequently to prevent nutrient leaching.
Strong Drought Resilience
The county is currently in great shape with only 4.3% of the area classified as abnormally dry and zero severe drought. With only 5 weeks in drought last year, it is one of the most water-stable regions in Colorado.
Resilient Grasses for Lincoln
Blue Grama or Buffalo grass are perfect for this 5b zone as they require less water than traditional Kentucky Bluegrass. Schedule your seeding for mid-May once the threat of the May 9th frost has passed.
Lawn Difficulty Score
Top Grass Fit for Lincoln County
Strong match
Jonathan Green Black Beauty Ultra
Jonathan Green
Top cultivar score: 78/100
Zone 5b vs Tall Fescue's 3–8 band.
Soil pH 7.22408666807161 vs Tall Fescue's 5.5–6.5 window.
Precipitation 14.431999999999999" + soil AWC vs Tall Fescue's 20–30" need.
Growing-degree-days + frost window vs a intermediate-difficulty establishment.
If you spend any time on lawn care forums, Reddit's r/lawncare, or YouTube lawn channels, one name comes up more than any other: Jonathan Green Black Beauty Ultra. It's practically a cult favorite, and the label, cultivar story, and long-running owner reports explain why. The secret is in the genetics.
In Lincoln County, USDA zone 5b, soil pH 7.2, Jonathan Green Black Beauty Ultra scores 78/100 — a strong zone match, moderate moisture, and a long enough establishment window.
Why we ruled these out
- Scotts Turf Builder Bermudagrass — USDA zone 5b is below Scotts Turf Builder Bermudagrass's effective range (6–11); not recommended for this county.
See our fit-score methodology for how survivability is determined.
Recommended Grasses
Buffalograss
Bouteloua dactyloides
Blue Grama
Bouteloua gracilis
Tall Fescue
Festuca arundinacea
Choosing grass in Lincoln County
Severe drought (5 wk in drought / yr) is the main thing shaping grass choice in Lincoln County. Here's how to work with it — then the specific pick.
- Drought-tolerant grass seedWhat survives where water is scarce and often restricted.
- Tall Fescue, explainedTraits, care, and where Tall Fescue wins — the species behind your top match.
Top match for Lincoln County: Tall Fescue
See the full breakdownPremium Grass Seeds is a sister site in our network. We may earn a commission from qualifying purchases made through its retailer links — this never affects your price. Guidance here reflects your county’s climate and soil data, not hands-on testing.
Climate Snapshot
Annual Precip
14.4"
Growing Degree Days
2,745.48
Base 50F
Last Spring Frost
05/09
First Fall Frost
10/06
Days Above 95F
42
Hardiness Zone
5b
Seeding Calendar — Lincoln County
Personalized to this county’s frost dates — a 150-day growing season. Windows below are computed from local last-spring and first-fall frost normals, so they differ county-to-county even within USDA Zone 5B.
Plan your seeding — Lincoln County
Pick a grass and a goal to get a personalized schedule anchored to this county’s frost dates.
- 1Prepare the seedbedMay 8 – May 21
Mow low, dethatch or rake, and loosen the top ½ inch of soil so seed makes good contact.
- 2Sow seedMay 22 – Jun 19
Best window to sow Buffalograss in Lincoln County, anchored to your local frost dates.
- 3EstablishJun 20 – Jul 17
Protect young seedlings: mow only after they reach ~3 inches and hold off on weed pre-emergents until established.
Sandy soil drains fast — water lightly and often. Aim to keep the top 1 inch moist with 2–3 short cycles a day (~0.1 in each) until germination, then taper to deeper, less frequent watering.
Seasonal Lawn Care Checklist
Spring
- Apply pre-emergent herbicide when soil reaches 55F
- Overseed bare spots once frost risk passes
- Start irrigation if rainfall is below 1 inch/week
- Soil test every 2-3 years — adjust lime or sulfur as needed
Summer
- Mow at recommended height weekly
- Water deeply 1-2 times per week (1 inch total)
- Avoid fertilizing cool-season grasses in peak heat
- Scout for grubs and treat if >10 per sq ft
Fall
- Core aerate compacted areas
- Apply fall fertilizer (highest N application for cool-season)
- Continue mowing until growth stops
- Rake or mulch leaves to prevent smothering
Winter
- Avoid walking on frozen turf
- Service mower and sharpen blades
- Plan spring soil amendments based on fall test
- Keep lawn clear of debris
Watering Deficit Calculator
Monthly Deficit
2.6"
inches of water
Monthly Water
8,087
gallons
Estimated Monthly Cost
$64.69
at $0.008/gallon average
Estimates based on 14" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Lincoln County
Drought Stress
With only 14 inches of annual rainfall, lawns in Lincoln County face significant drought stress. Consider drought-tolerant grass species and deep, infrequent watering.
Learn more about regional lawn challenges at The Lawn Report.
Lawn Care Advisory: Lincoln County
Lawn Verdict
Lincoln County sits in USDA hardiness zone 5b, a transitional zone where cool-season grasses dominate but some warm-season varieties can survive. with winter lows reaching around -15.0°F. and 2,745.48 growing degree days, sufficient for most common turfgrasses. Low rainfall (14.4 inches) means supplemental irrigation is essential during summer months.
Seasonal Breakdown
Wait until after May 9 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 73.1°F) reduce heat stress — maintain regular mowing and moderate watering. With 42.17999999999999 days above 90°F annually, warm-season grasses recover faster from summer stress than cool-season types. Aerate and overseed cool-season lawns by early fall, well before October 6; this is the best renovation window. Cool winters (January averages 29.4°F) mean slow or dormant growth; keep debris off the lawn.
Watering Guidance
Low annual precipitation (14.4 inches) makes irrigation essential for maintaining green turf through summer. Currently, 21.9% of the county is in abnormally dry according to the US Drought Monitor. Cool summers reduce water demand; overwatering is a bigger risk than drought stress.
Regional Context
Lincoln County is 3.7°F warmer than the Colorado average, USDA zone 5b helps guide grass selection compared to neighboring counties.
Dig deeper into Lincoln County
Lincoln County is a USDA Zone 5B, sandy-soil, cool-season county. Explore the data that shapes its lawn:
Want detailed soil composition, drainage classes, and soil series data? View soil details on SoilByCounty.com
Frequently Asked Questions
What USDA hardiness zone is Lincoln County in?
What is the best grass for Lincoln County?
How long is the growing season in Lincoln County?
How much rainfall does Lincoln County get?
What is the soil pH in Lincoln County?
Data sourced from USDA SSURGO, NOAA Climate Normals (1991-2020), USDA Plant Hardiness Zone Map, and US Drought Monitor. Lawn difficulty scores and grass recommendations are estimates for informational purposes only.
Explore more data for Lincoln County