LawnByCounty

Lawn Care Guide for Lincoln County

Lincoln County, Oklahoma

USDA SSURGO / PHZM

This week in Lincoln County · next up in about 5 weeks (Sep 3)

Get ready to seed cool-season grass — the best fall window is about to open.

Data Story

About Lawn Care in Lincoln County, Oklahoma

Lincoln County’s Balanced Lawn Environment

Lincoln County earns a lawn difficulty score of 49.9, placing it almost exactly at the national median of 50.0. While this is significantly easier than the Oklahoma state average of 46.1, homeowners in USDA Hardiness Zone 7b still face regional challenges. You enjoy a slight advantage over your neighbors, but maintaining a lush turf requires a steady hand.

Ample Rainfall Meets Manageable Summer Heat

The county receives 38.3 inches of annual precipitation, which sits perfectly within the ideal 30-50 inch range for healthy grass. With 66 extreme heat days per year, Lincoln stays cooler than the state average of 76 days, reducing the risk of mid-summer dormancy. Your 5049 growing degree days provide a robust window for active turf growth throughout the year.

Addressing Drainage in Lincoln’s Clay Soils

The soil pH of 6.08 is nearly perfect for nutrient uptake, but the 'very poorly drained' classification presents a significant hurdle. Lincoln's heavy clay composition (19.7%) can lead to standing water and root rot if not managed properly. You should prioritize aeration and organic amendments to improve the structure of this dense soil foundation.

Navigating Persistent Seasonal Dry Spells

Lincoln County endured 29 weeks in drought over the last year, with the entire county currently experiencing at least abnormally dry conditions. While only 2.1% of the area faces severe drought, local watering restrictions often apply during these peak dry periods. Deep, infrequent watering is the best strategy to encourage the resilient root systems needed to survive these spells.

Start Your Lincoln County Lawn Today

The local climate favors warm-season grasses like Bermudagrass or Zoysia that can withstand the 7b hardiness zone. Aim to seed or sod after the last spring frost on April 7th to ensure the soil is warm enough for germination. With the first fall frost arriving around October 30th, you have a generous window to establish a strong, green landscape.

Lawn Difficulty Score

21/100
Easy
Rainfall0/100
Soil Quality25/100
Temperature33/100
Growing Season15/100
Drought56/100

Soil Summary

pH

6.1

Texture

Clay

Drainage

Very poorly drained

Organic Matter

1.5%

View full soil details

Top Grass Fit for Lincoln County

100/ 100

Excellent match

Outsidepride Midnight Kentucky Bluegrass Seed

Outsidepride

Top cultivar score: 100/100

USDA Zone Match100

Zone 7b vs Kentucky Bluegrass's 3–7 band.

Soil pH Fit100

Soil pH 6.07943925233645 vs Kentucky Bluegrass's 6–7 window.

Moisture Fit100

Precipitation 38.2875" + soil AWC vs Kentucky Bluegrass's 30–40" need.

Establishment Window100

Growing-degree-days + frost window vs a advanced-difficulty establishment.

Let's be direct: Outsidepride Midnight Kentucky Bluegrass is one of the best pure KBG seeds you can buy online, and it's not particularly close. Midnight is a specific cultivar — not a generic "Kentucky bluegrass blend" — and that distinction matters enormously.
From The Lawn Report editorial review • rated 4.7/5
Shop Outsidepride Midnight Kentucky Bluegrass Seed

In Lincoln County, USDA zone 7b, soil pH 6.1, clay, Outsidepride Midnight Kentucky Bluegrass Seed scores 100/100 — a strong zone match, adequate moisture, and a long enough establishment window.

Recommended Grasses

Cool-SeasonTransition Zone

Tall Fescue

Festuca arundinacea

Drought: 4/5Shade: 3/5
Suitability70%
View Seeds
Warm-SeasonTransition Zone

Bermudagrass

Cynodon dactylon

Drought: 5/5Shade: 1/5
Suitability70%
View Seeds
Warm-SeasonTransition Zone

Zoysiagrass

Zoysia japonica

Drought: 4/5Shade: 3/5
Suitability70%
View Seeds
Warm-SeasonTransition Zone

Buffalograss

Bouteloua dactyloides

Drought: 5/5Shade: 1/5
Suitability55%
View Seeds

Choosing grass in Lincoln County

Severe drought (29 wk in drought / yr) and poor drainage (Very poorly drained) are the two things working hardest against a lawn in Lincoln County. Here's how to choose for both — then the specific pick.

Top match for Lincoln County: Kentucky Bluegrass

See the full breakdown

Premium 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

38.3"

Growing Degree Days

5,049.3

Base 50F

Last Spring Frost

04/07

First Fall Frost

10/30

Days Above 95F

66

Hardiness Zone

7b

Seeding Calendar — Lincoln County

Personalized to this county’s frost dates — a 206-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 7B.

J
F
M
A
M
J
J
A
S
O
N
D
Cool Seed (Best)
Cool Seed (OK)
Warm Seed (Best)
Overseed
Cool Seed (Best)
Cool Seed (OK)
Warm Seed (Best)
Overseed
Cool-season seeding (best)Sep 3Oct 1
Cool-season seeding (spring)Mar 30May 4
Warm-season seedingApr 20Jun 15
OverseedingSep 17Oct 8
Core aerationSep 3Oct 1
Spring pre-emergentMar 16Apr 6

Plan your seeding — Lincoln County

Pick a grass and a goal to get a personalized schedule anchored to this county’s frost dates.

Goal
  1. 1
    Prepare the seedbedAug 20 – Sep 2

    Mow low, dethatch or rake, and loosen the top ½ inch of soil so seed makes good contact.

  2. 2
    Sow seedSep 3 – Oct 1

    Best window to sow Tall Fescue in Lincoln County, anchored to your local frost dates.

  3. 3
    EstablishOct 2 – Oct 29

    Protect young seedlings: mow only after they reach ~3 inches and hold off on weed pre-emergents until established.

Watering while it germinatesLoam soil

Loam holds moisture evenly — water about ¼ inch once or twice daily to keep the top inch of the seedbed consistently moist until germination.

You’re in the transition zone — both cool- and warm-season grasses can work; the schedule above follows the species you selected.

Seasonal Lawn Care Checklist

Spring

  • Apply pre-emergent herbicide when soil reaches 55F
  • Begin mowing when grass reaches 3 inches
  • 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

  • Overseed warm-season lawns if thinning
  • Apply fall fertilizer (highest N application for cool-season)
  • Continue mowing until growth stops
  • Rake or mulch leaves to prevent smothering

Winter

  • Apply pre-emergent for winter weeds
  • Service mower and sharpen blades
  • Plan spring soil amendments based on fall test
  • Keep lawn clear of debris

Watering Deficit Calculator

50020,000 sq ft

Monthly Deficit

0.9"

inches of water

Monthly Water

2,694

gallons

Estimated Monthly Cost

$21.55

at $0.008/gallon average

Estimates based on 38" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Common Lawn Problems in Lincoln County

Persistent Drought Conditions

Lincoln County experienced drought conditions for 29 of the past 52 weeks. Prioritize water-efficient grasses and consider reducing lawn area.

Learn more about regional lawn challenges at The Lawn Report.

Lawn Care Advisory: Lincoln County

Lawn Verdict

Lincoln County falls in USDA hardiness zone 7b, a favorable range for both cool- and warm-season grasses. with winter lows reaching around 5.0°F. and 5,049.3 growing degree days annually, supporting vigorous warm-season lawns. Moderate rainfall (38.3 inches) generally supports healthy lawns with minimal supplemental watering.

Seasonal Breakdown

Wait until after April 7 to seed or overseed; soil temperatures should consistently reach 50-55°F. Summers are warm (July averages 81.9°F); monitor for heat stress and water when soil is dry 2-3 inches down. With 66.25 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 30; this is the best renovation window. Cool winters (January averages 38.3°F) mean slow or dormant growth; keep debris off the lawn.

Watering Guidance

With 38.3 inches of annual rainfall, established lawns typically need watering only during extended dry spells. Currently, 100.0% of the county is in moderate drought according to the US Drought Monitor. Consider reducing irrigation frequency and allowing cool-season lawns to go semi-dormant during peak heat. Standard warm-season watering of 1 inch per week is usually adequate during summer.

Regional Context

Lincoln County is close to the Oklahoma average temperature, USDA zone 7b helps guide grass selection compared to neighboring counties.

Dig deeper into Lincoln County

Lincoln County is a USDA Zone 7B, loamy-soil, transition-zone 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?
Lincoln County is located in USDA hardiness zone 7b, based on the 2023 USDA Plant Hardiness Zone Map. This zone helps determine which grass species are most likely to thrive in the county's climate.
What is the best grass for Lincoln County?
Tall Fescue is the top recommendation for Lincoln County, with a match score of 70/100. It grows best in zones 3a–8b and requires 20–30 inches of water annually.
How long is the growing season in Lincoln County?
Lincoln County has a growing season of approximately 206 days, based on NOAA 30-year climate normals (1991–2020). This is calculated from the average last spring frost to the average first fall frost.
How much rainfall does Lincoln County get?
Lincoln County receives an average of 38.3 inches of precipitation per year, based on NOAA 30-year climate normals. This provides adequate moisture for most lawn grasses with occasional supplemental watering during dry spells.
What is the soil pH in Lincoln County?
The average soil pH in Lincoln County is 6.1, based on USDA SSURGO data. This near-neutral pH supports most common lawn grasses with minimal soil amendment.

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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor