LawnByCounty

Lawn Care Guide for Logan County

Logan County, Arkansas

USDA SSURGO / PHZM

Data Story

About Lawn Care in Logan County, Arkansas

Logan County outperforms the state lawn average

Logan County earns a lawn difficulty score of 46.5, making it easier to maintain a yard here than the Arkansas average of 37.3. While it remains slightly more challenging than the national median, Hardiness Zone 8a provides a robust environment for many grass types.

Perfect precipitation for steady growth

At 49.7 inches of annual rain, the county sits right at the top of the ideal 30-50 inch range for healthy lawns. With 66 extreme heat days, the climate is slightly warmer than the state average but remains manageable with proper mowing schedules.

Acidic soils require careful balancing

The local soil pH of 5.63 is below the ideal 6.0-7.0 range, suggesting that a lime application may be necessary to improve nutrient uptake. The soil is comprised of 39% sand and 15.7% clay, offering a relatively balanced texture for root development.

Mild drought conditions persist

While the entire county is abnormally dry, only 5.7% of the area currently faces severe drought. Maintaining a higher mowing height during these dry spells can help shade the soil and retain precious moisture.

Optimal planting windows in Zone 8a

Heat-tolerant grasses like Centipede or St. Augustine are well-suited for these conditions. Plan your primary lawn work between the last frost on April 4 and the first fall frost on November 5 to maximize the growing season.

Lawn Difficulty Score

19/100
Easy
Rainfall9/100
Soil Quality0/100
Temperature33/100
Growing Season40/100
Drought21/100

Soil Summary

pH

5.6

Texture

N/A

Drainage

N/A

Organic Matter

1.9%

View full soil details

Top Grass Fit for Logan County

100/ 100

Excellent match

Jonathan Green Black Beauty Ultra

Jonathan Green

Top cultivar score: 100/100

USDA Zone Match100

Zone 8a vs Tall Fescue's 3–8 band.

Soil pH Fit100

Soil pH 5.62508205726498 vs Tall Fescue's 5.5–6.5 window.

Moisture Fit100

Precipitation 49.73" + soil AWC vs Tall Fescue's 20–30" need.

Establishment Window100

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

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From The Lawn Report editorial review • rated 4.7/5
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In Logan County, USDA zone 8a, soil pH 5.6, Jonathan Green Black Beauty Ultra 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-Season

Bahiagrass

Paspalum notatum

Drought: 4/5Shade: 2/5
Suitability70%
View Seeds
Warm-Season

Centipedegrass

Eremochloa ophiuroides

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

Bermudagrass

Cynodon dactylon

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

Best Grass Seed for Logan County

Zone 8aCool- and warm-season grasses thrive here.

Find Seeds for Zone 8a

Climate Snapshot

Annual Precip

49.7"

Growing Degree Days

5,052.15

Base 50F

Last Spring Frost

04/04

First Fall Frost

11/05

Days Above 95F

66

Hardiness Zone

8a

Seeding Calendar — Zone 8A

J
F
M
A
M
J
J
A
S
O
N
D
Cool Seed (Best)
Cool Seed (OK)
Warm Seed (Best)
Warm Seed (OK)
Cool Seed (Best)
Cool Seed (OK)
Warm Seed (Best)
Warm Seed (OK)
Optimal (cool)
Acceptable (cool)
Optimal (warm)
Acceptable (warm)

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

  • Raise mowing height to reduce heat stress
  • 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
  • Overseed with ryegrass for winter color

Watering Deficit Calculator

50020,000 sq ft

Monthly Deficit

0.0"

inches of water

Monthly Water

0

gallons

Estimated Monthly Cost

$0.00

at $0.008/gallon average

Estimates based on 50" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Lawn Care Advisory: Logan County

Lawn Verdict

Logan County falls in USDA hardiness zone 8a, a favorable range for both cool- and warm-season grasses. with winter lows reaching around 10.0°F. and 5,052.15 growing degree days annually, supporting vigorous warm-season lawns. Moderate rainfall (49.7 inches) generally supports healthy lawns with minimal supplemental watering.

Seasonal Breakdown

Wait until after April 4 to seed or overseed; soil temperatures should consistently reach 50-55°F. Summers are warm (July averages 81.3°F); monitor for heat stress and water when soil is dry 2-3 inches down. With 66.15 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 November 5; this is the best renovation window. Cool winters (January averages 38.9°F) mean slow or dormant growth; keep debris off the lawn.

Watering Guidance

With 49.7 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

Logan County is close to the Arkansas average temperature, USDA zone 8a helps guide grass selection compared to neighboring counties.

Want detailed soil composition, drainage classes, and soil series data? View soil details on SoilByCounty.com

Frequently Asked Questions

What USDA hardiness zone is Logan County in?
Logan County is located in USDA hardiness zone 8a, 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 Logan County?
Tall Fescue is the top recommendation for Logan County, with a match score of 70/100. It grows best in zones 3a–8b and requires 20–30 inches of water annually.
How much rainfall does Logan County get?
Logan County receives an average of 49.7 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 Logan County?
The average soil pH in Logan County is 5.6, based on USDA SSURGO data. This acidic soil may benefit from lime application to raise pH for optimal grass growth.

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