LawnByCounty

Lawn Care Guide for Somerset County

Somerset County, Maryland

USDA SSURGO / PHZM

Data Story

About Lawn Care in Somerset County, Maryland

Average Difficulty in Coastal Somerset

A lawn difficulty score of 51.6 places Somerset County right near the national and state benchmarks. As a Zone 8a region, it enjoys a milder winter than its northern neighbors, allowing for a longer green period.

Wet Climate Sustains Turf Growth

The county sees 47.0 inches of precipitation annually, providing the heavy watering that lush lawns require. While specific temperature data is limited, the coastal location generally keeps conditions humid and favorable for growth.

Sandy Shores Require pH Balancing

The soil pH of 5.37 is significantly more acidic than the ideal 6.0 range, necessitating lime treatments. With a 43.0% sand content, your lawn will drain quickly, so frequent light watering is often better than one heavy soak.

Monitoring Dry Spells on the Shore

The county spent 20 weeks in drought conditions over the last year, and 100% of the land currently faces abnormal dryness. Use mulch-mowing techniques to return moisture and nitrogen to the soil during these dry periods.

Warm-Season Grasses Thrive Here

In Zone 8a, warm-season grasses like Zoysia or Bermuda are excellent choices for lasting durability. Although frost dates are not specified, wait for consistent spring warmth before laying new sod or seeding.

Lawn Difficulty Score

18/100
Easy
Rainfall4/100
Soil Quality20/100
Temperature0/100
Growing Season40/100
Drought38/100

Soil Summary

pH

5.4

Texture

N/A

Drainage

N/A

Organic Matter

16.7%

View full soil details

Top Grass Fit for Somerset County

89/ 100

Excellent match

Jonathan Green Black Beauty Ultra

Jonathan Green

Top cultivar score: 89/100

USDA Zone Match100

Zone 8a vs Tall Fescue's 3–8 band.

Soil pH Fit60

Soil pH 5.37311401910774 vs Tall Fescue's 5.5–6.5 window.

Moisture Fit100

Precipitation 46.96" + 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
Shop Jonathan Green Black Beauty Ultra

In Somerset County, USDA zone 8a, 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 Somerset County

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

Find Seeds for Zone 8a

Climate Snapshot

Annual Precip

47.0"

Growing Degree Days

N/A

Base 50F

Last Spring Frost

N/A

First Fall Frost

N/A

Days Above 95F

N/A

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

0.1"

inches of water

Monthly Water

195

gallons

Estimated Monthly Cost

$1.56

at $0.008/gallon average

Estimates based on 47" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Common Lawn Problems in Somerset 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: Somerset County

Lawn Verdict

Somerset 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. Moderate rainfall (47.0 inches) generally supports healthy lawns with minimal supplemental watering.

Seasonal Breakdown

Spring planting can begin as early as late February or March in this warm zone. 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

With 47.0 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.

Regional Context

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 Somerset County in?
Somerset 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 Somerset County?
Centipedegrass is the top recommendation for Somerset 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 Somerset County get?
Somerset County receives an average of 47.0 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 Somerset County?
The average soil pH in Somerset 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