LawnByCounty

Lawn Care Guide for Southampton County

Southampton County, Virginia

USDA SSURGO / PHZM

Data Story

About Lawn Care in Southampton County, Virginia

Managing a Lawn in Zone 7b

Southampton County has a lawn difficulty score of 52.9, slightly trailing the state average of 55.4. While it remains above the national median of 50.0, the warmer Zone 7b climate introduces more heat-related stress for homeowners. Success here requires a more proactive approach to irrigation and grass selection.

Hot Summers Demand Water Management

Annual precipitation of 49.6 inches provides plenty of water, but 29 extreme heat days can quickly dry out the surface. Because temperatures frequently exceed 90°F, grass growth may stall in the peak of summer. Homeowners should plan for increased watering during these heat waves to keep lawns from thinning.

Sandy Soils Require Extra Care

The soil is very sandy at 66.1%, which means water drains away quickly and nutrients leach easily. With a low pH of 5.40, the soil needs lime and frequent light fertilization rather than heavy, occasional doses. Organic matter like compost is a great addition to help these sandy soils hold onto moisture.

Facing Severe Drought Threats

Southampton faced 14 weeks of drought last year, and 17% of the county is currently in a severe drought (D2+). These conditions are harder on lawns than in neighboring counties, making water conservation critical. Prioritize watering high-traffic areas and consider letting secondary zones go dormant during extreme dry periods.

Choosing Heat-Tolerant Varieties

Warm-season grasses like Bermuda or Zoysia are excellent choices for this Zone 7b environment. These varieties thrive in the high heat and handle the sandy soil better than cool-season alternatives. Start your lawn projects in late spring when soil temperatures consistently stay above 65°F.

Lawn Difficulty Score

14/100
Easy
Rainfall9/100
Soil Quality20/100
Temperature14/100
Growing Season5/100
Drought27/100

Soil Summary

pH

5.4

Texture

N/A

Drainage

N/A

Organic Matter

2.5%

View full soil details

Top Grass Fit for Southampton County

89/ 100

Excellent match

Jonathan Green Black Beauty Ultra

Jonathan Green

Top cultivar score: 89/100

USDA Zone Match100

Zone 7b vs Tall Fescue's 3–8 band.

Soil pH Fit60

Soil pH 5.40438028186515 vs Tall Fescue's 5.5–6.5 window.

Moisture Fit100

Precipitation 49.63" + soil AWC vs Tall Fescue's 20–30" need.

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From The Lawn Report editorial review • rated 4.7/5
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In Southampton County, USDA zone 7b, soil pH 5.4, Jonathan Green Black Beauty Ultra scores 89/100 — a strong zone match and adequate moisture.

Recommended Grasses

Warm-Season

Centipedegrass

Eremochloa ophiuroides

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

Tall Fescue

Festuca arundinacea

Drought: 4/5Shade: 3/5
Suitability55%
View Seeds
Warm-SeasonTransition Zone

Bermudagrass

Cynodon dactylon

Drought: 5/5Shade: 1/5
Suitability55%
View Seeds
Warm-SeasonTransition Zone

Zoysiagrass

Zoysia japonica

Drought: 4/5Shade: 3/5
Suitability55%
View Seeds

Best Grass Seed for Southampton County

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

Find Seeds for Zone 7b

Climate Snapshot

Annual Precip

49.6"

Growing Degree Days

N/A

Base 50F

Last Spring Frost

N/A

First Fall Frost

N/A

Days Above 95F

29

Hardiness Zone

7b

Seeding Calendar — Zone 7B

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

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.

Common Lawn Problems in Southampton County

Acidic Soil

Soil pH of 5.4 is below the ideal range for most grasses (6.0-7.0). Apply agricultural lime to raise pH gradually.

Learn more about regional lawn challenges at The Lawn Report.

Lawn Care Advisory: Southampton County

Lawn Verdict

Southampton 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. Moderate rainfall (49.6 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. Cool summers (July averages 77.9°F) reduce heat stress — maintain regular mowing and moderate watering. Fall aeration and overseeding set the lawn up for winter; apply winterizer fertilizer after the last mow. Cool winters (January averages 39.2°F) mean slow or dormant growth; keep debris off the lawn.

Watering Guidance

With 49.6 inches of annual rainfall, established lawns typically need watering only during extended dry spells. 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.

Regional Context

Southampton County is close to the Virginia average temperature, it is somewhat wetter than the state average, USDA zone 7b 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 Southampton County in?
Southampton 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 Southampton County?
Centipedegrass is the top recommendation for Southampton County, with a match score of 70/100. It grows best in zones 7b–9a and requires 20–30 inches of water annually.
How much rainfall does Southampton County get?
Southampton County receives an average of 49.6 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 Southampton County?
The average soil pH in Southampton County is 5.4, 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