LawnByCounty

Lawn Care Guide for Throckmorton County

Throckmorton County, Texas

USDA SSURGO / PHZM

Data Story

About Lawn Care in Throckmorton County, Texas

Reliable Growth in North Central Texas

With a difficulty score of 35.7, Throckmorton County is slightly easier to manage than the average Texas county. While it still falls below the national median of 50.0, the conditions in Zone 8a are relatively favorable for the region.

Strong Rain but High Heat

The county receives 29.2 inches of rain, nearing the ideal 30-inch threshold, though it still faces 111 extreme heat days. This moisture helps, but summer heat still dictates a rigorous watering and mowing schedule.

Working with Silt Loam Soil

The soil is a well-drained silt loam with a pH of 7.28, offering a stable and productive foundation for turf. This texture is generally excellent for root development, needing only minor adjustments to lower the pH toward the ideal 6.0-7.0 range.

Monitoring Seasonal Dryness

Throckmorton experienced 16 weeks of drought over the last year and currently sits at 100% abnormally dry. Consistent irrigation and the use of wetting agents can help your soil retain the water it gets during the hotter months.

Planting Window Opens in late March

Warm-season favorites like Bermudagrass and Zoysia are well-suited for the local silt loam. You can safely begin your spring lawn projects after the final frost date of March 29.

Lawn Difficulty Score

30/100
Easy
Rainfall35/100
Soil Quality0/100
Temperature50/100
Growing Season40/100
Drought31/100

Soil Summary

pH

7.3

Texture

Silt loam

Drainage

Well drained

Organic Matter

1.8%

View full soil details

Top Grass Fit for Throckmorton County

86/ 100

Excellent match

Jonathan Green Black Beauty Ultra

Jonathan Green

Top cultivar score: 86/100

USDA Zone Match100

Zone 8a vs Tall Fescue's 3–8 band.

Soil pH Fit30

Soil pH 7.28326163027322 vs Tall Fescue's 5.5–6.5 window.

Moisture Fit100

Precipitation 29.22" + 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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In Throckmorton County, USDA zone 8a, soil pH 7.3, silt loam, Jonathan Green Black Beauty Ultra scores 86/100 — a strong zone match, adequate moisture, and a long enough establishment window.

Recommended Grasses

Warm-SeasonTransition Zone

Buffalograss

Bouteloua dactyloides

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

St. Augustinegrass

Stenotaphrum secundatum

Drought: 2/5Shade: 4/5
Suitability68%
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 Throckmorton County

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

Find Seeds for Zone 8a

Climate Snapshot

Annual Precip

29.2"

Growing Degree Days

5,918

Base 50F

Last Spring Frost

03/29

First Fall Frost

11/07

Days Above 95F

111

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

1.7"

inches of water

Monthly Water

5,266

gallons

Estimated Monthly Cost

$42.13

at $0.008/gallon average

Estimates based on 29" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Lawn Care Advisory: Throckmorton County

Lawn Verdict

Throckmorton 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 5,918 growing degree days annually, supporting vigorous warm-season lawns. Moderate rainfall (29.2 inches) generally supports healthy lawns with minimal supplemental watering.

Seasonal Breakdown

Wait until after March 29 to seed or overseed; soil temperatures should consistently reach 50-55°F. Summers are warm (July averages 84.3°F); monitor for heat stress and water when soil is dry 2-3 inches down. With 111.2 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 7; this is the best renovation window. Mild winters (January averages 43.3°F) allow year-round mowing for warm-season lawns and minimal dormancy.

Watering Guidance

Moderate rainfall (29.2 inches) means lawns benefit from weekly deep watering during summer stress. Currently, 100.0% of the county is in abnormally dry according to the US Drought Monitor. Standard warm-season watering of 1 inch per week is usually adequate during summer. High heat accumulation means warm-season grasses use water aggressively — monitor soil moisture regularly.

Regional Context

Throckmorton County is close to the Texas 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 Throckmorton County in?
Throckmorton 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 Throckmorton County?
Buffalograss is the top recommendation for Throckmorton 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 Throckmorton County get?
Throckmorton County receives an average of 29.2 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 Throckmorton County?
The average soil pH in Throckmorton County is 7.3, 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