LawnByCounty

Lawn Care Guide for Hemphill County

Hemphill County, Texas

USDA SSURGO / PHZM

Data Story

About Lawn Care in Hemphill County, Texas

Favorable Conditions in the Panhandle

Hemphill County scores a 44.5 on the lawn difficulty scale, which is notably better than the Texas state average of 31.7. In USDA Zone 7a, the cooler winters offer a slightly different rhythm for turf management than the rest of the state.

Dry Air and Limited Rainfall

Annual precipitation is light at 21.3 inches, falling well below the state average of 31.9 inches. This semi-arid climate means supplemental irrigation is vital to keep grass green through the growing season.

Sandy Soils With High Alkalinity

The soil here is sandy at 54.3% with a slightly alkaline pH of 7.47, exceeding the ideal lawn range of 6.0 to 7.0. You will likely need sulfur amendments to lower the pH and improve nutrient uptake for your turf.

Managing Abnormally Dry Conditions

Current conditions are manageable, with only 15 weeks spent in drought over the past year. While 100.0% of the county is currently abnormally dry, the absence of severe (D2+) drought provides a window for proactive lawn care.

Resilient Turf for Zone 7a

Buffalograss or heat-resistant Tall Fescue thrive well in Zone 7a's unique mix of Texas sun and cooler nights. Get your lawn established in late spring to capitalize on the early growing season before the dry summer peak.

Lawn Difficulty Score

33/100
Moderate
Rainfall56/100
Soil Quality0/100
Temperature0/100
Growing Season40/100
Drought29/100

Soil Summary

pH

7.5

Texture

N/A

Drainage

N/A

Organic Matter

1.3%

View full soil details

Top Grass Fit for Hemphill County

81/ 100

Excellent match

Jonathan Green Black Beauty Ultra

Jonathan Green

Top cultivar score: 81/100

USDA Zone Match100

Zone 7a vs Tall Fescue's 3–8 band.

Soil pH Fit30

Soil pH 7.472034451943 vs Tall Fescue's 5.5–6.5 window.

Moisture Fit100

Precipitation 21.335" + soil AWC vs Tall Fescue's 20–30" need.

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.
From The Lawn Report editorial review • rated 4.7/5
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In Hemphill County, USDA zone 7a, soil pH 7.5, Jonathan Green Black Beauty Ultra scores 81/100 — a strong zone match and adequate moisture.

Recommended Grasses

Warm-SeasonTransition Zone

Buffalograss

Bouteloua dactyloides

Drought: 5/5Shade: 1/5
Suitability80%
View Seeds
Warm-SeasonTransition Zone

Blue Grama

Bouteloua gracilis

Drought: 5/5Shade: 1/5
Suitability80%
View Seeds
Warm-SeasonTransition Zone

Bermudagrass

Cynodon dactylon

Drought: 5/5Shade: 1/5
Suitability65%
View Seeds
Cool-SeasonTransition Zone

Tall Fescue

Festuca arundinacea

Drought: 4/5Shade: 3/5
Suitability61%
View Seeds

Best Grass Seed for Hemphill County

Zone 7aCool- and warm-season grasses thrive here.

Find Seeds for Zone 7a

Climate Snapshot

Annual Precip

21.3"

Growing Degree Days

N/A

Base 50F

Last Spring Frost

N/A

First Fall Frost

N/A

Days Above 95F

N/A

Hardiness Zone

7a

Seeding Calendar — Zone 7A

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

  • 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

2.3"

inches of water

Monthly Water

7,171

gallons

Estimated Monthly Cost

$57.37

at $0.008/gallon average

Estimates based on 21" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Common Lawn Problems in Hemphill County

Drought Stress

With only 21 inches of annual rainfall, lawns in Hemphill 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: Hemphill County

Lawn Verdict

Hemphill County falls in USDA hardiness zone 7a, a favorable range for both cool- and warm-season grasses. with winter lows reaching around 0.0°F. Moderate rainfall (21.3 inches) generally supports healthy lawns with minimal supplemental watering.

Seasonal Breakdown

Target mid-to-late spring for seeding once soil temperatures stabilize above 50°F. During summer, mow high and water deeply to encourage deep root growth. Fall aeration and overseeding set the lawn up for winter; apply winterizer fertilizer after the last mow. Winter care focuses on clearing debris and protecting dormant turf from traffic damage.

Watering Guidance

Low annual precipitation (21.3 inches) makes irrigation essential for maintaining green turf through summer. 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.

Regional Context

it is significantly drier than the state average (10.5 inches less), USDA zone 7a 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 Hemphill County in?
Hemphill County is located in USDA hardiness zone 7a, 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 Hemphill County?
Buffalograss is the top recommendation for Hemphill County, with a match score of 80/100. It grows best in zones 5a–8a and requires 10–20 inches of water annually.
How much rainfall does Hemphill County get?
Hemphill County receives an average of 21.3 inches of precipitation per year, based on NOAA 30-year climate normals. This relatively low rainfall makes drought-tolerant grass species particularly important.
What is the soil pH in Hemphill County?
The average soil pH in Hemphill County is 7.5, based on USDA SSURGO data. This alkaline soil may require sulfur amendment for acid-loving grass species.

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