Lawn Care Guide for Dallam County
Dallam County, Texas
Data Story
About Lawn Care in Dallam County, Texas
The Panhandle's Cold and Dry Challenge
Dallam County holds a lawn difficulty score of 38.6, outperforming the Texas state average despite its harsh northern climate. As part of Hardiness Zone 6b, it faces the coldest winters in the state, requiring different turf strategies.
Short Seasons and Scarce Rain
Annual precipitation is quite low at 16.6 inches, making irrigation a necessity for survival. The growing season is limited, with only 4,069 growing degree days and a relatively low 80 days of extreme heat.
Sandy Soil with High pH
The soil is 56.4% sand, which allows for fast drainage but poor nutrient retention. With a pH of 7.74, the soil is very alkaline, meaning growers must use acidifying fertilizers to prevent grass from turning yellow.
Managing Dryness in the North
Dallam County spent 13 weeks in drought this past year, and the entire county remains abnormally dry. To conserve water, residents should aerate the soil to ensure every drop of the limited 16.6 inches reaches the roots.
Seeding for a Cooler Climate
Unlike most of Texas, cool-season grasses like Tall Fescue may work here if irrigated, but planting must wait until after the April 28 frost. You have until October 20 to establish your lawn before the first autumn freeze hits.
Lawn Difficulty Score
Recommended Grasses
Buffalograss
Bouteloua dactyloides
Blue Grama
Bouteloua gracilis
Tall Fescue
Festuca arundinacea
Climate Snapshot
Annual Precip
16.6"
Growing Degree Days
4,068.7
Base 50F
Last Spring Frost
04/28
First Fall Frost
10/20
Days Above 95F
80
Hardiness Zone
6b
Seeding Calendar — Zone 6B
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
Monthly Deficit
2.6"
inches of water
Monthly Water
8,051
gallons
Estimated Monthly Cost
$64.41
at $0.008/gallon average
Estimates based on 17" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Dallam County
Drought Stress
With only 17 inches of annual rainfall, lawns in Dallam County face significant drought stress. Consider drought-tolerant grass species and deep, infrequent watering.
Learn more about regional lawn challenges at The Lawn Report.
Want detailed soil composition, drainage classes, and soil series data? View soil details on SoilByCounty.com
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.
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