LawnByCounty

Lawn Care Guide for Clearfield County

Clearfield County, Pennsylvania

USDA SSURGO / PHZM

Data Story

About Lawn Care in Clearfield County, Pennsylvania

Favorable Growth in Clearfield

Clearfield County earns a lawn difficulty score of 59.7, making it easier to maintain than the national median of 50.0 and slightly above the state average. This Zone 6a region provides a steady environment for cool-season grasses to thrive with moderate effort.

Mild Summers Support Consistent Growth

The county receives 44.3 inches of annual precipitation, which sits comfortably near the state average of 45.2 inches. With only 4 extreme heat days per year and 2,456 growing degree days, your grass avoids the heavy thermal stress common in southern counties.

Amending Acidic Mountain Soils

The local soil pH of 4.91 is significantly more acidic than the ideal 6.0 to 7.0 range for healthy turf. You will need regular lime applications to manage the 10.9% clay and 22.5% sand mix found throughout the county.

Navigating Abnormally Dry Spells

Clearfield faced 15 weeks in drought over the last year, and 100.0% of the area is currently classified as abnormally dry. Focus on deep, infrequent watering to encourage deep root systems that can survive these dry periods.

Planting for Success in Zone 6a

Hardy cool-season grasses like Kentucky Bluegrass and Tall Fescue perform best in this climate. Plan your seeding projects between the last spring frost on May 4 and the first fall frost on October 13 for optimal establishment.

Lawn Difficulty Score

24/100
Easy
Rainfall0/100
Soil Quality20/100
Temperature2/100
Growing Season40/100
Drought29/100

Soil Summary

pH

4.9

Texture

N/A

Drainage

N/A

Organic Matter

26.2%

View full soil details

Top Grass Fit for Clearfield County

86/ 100

Excellent match

Pennington Smart Seed Sun & Shade

Pennington

Top cultivar score: 86/100

Estimated — county soil data incomplete.

USDA Zone Match100

Zone 6a vs Tall Fescue's 3–8 band.

Soil pH Fit30

Soil pH 4.91016983394914 vs Tall Fescue's 5.5–6.5 window.

Moisture Fit100

Precipitation 44.34" + soil AWC vs Tall Fescue's 20–30" need.

Establishment Window100

Growing-degree-days + frost window vs a beginner-difficulty establishment.

Pennington Smart Seed Sun & Shade is the best value in the cool-season grass seed market. Period. You get a quality fescue/KBG blend with genuine drought tolerance coating at a price point significantly below premium options like BBU or Barenbrug RTF.
From The Lawn Report editorial review • rated 4.4/5
Shop Pennington Smart Seed Sun & Shade

In Clearfield County, USDA zone 6a, soil pH 4.9, Pennington Smart Seed Sun & Shade scores 86/100 — a strong zone match, adequate moisture, and a long enough establishment window.

Recommended Grasses

Cool-Season

Kentucky Bluegrass

Poa pratensis

Drought: 2/5Shade: 2/5
Suitability55%
View Seeds
Cool-SeasonTransition Zone

Tall Fescue

Festuca arundinacea

Drought: 4/5Shade: 3/5
Suitability55%
View Seeds
Cool-Season

Perennial Ryegrass

Lolium perenne

Drought: 2/5Shade: 2/5
Suitability55%
View Seeds
Cool-Season

Fine Fescue

Festuca spp.

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

Best Grass Seed for Clearfield County

Zone 6aCool- and warm-season grasses thrive here.

Find Seeds for Zone 6a

Climate Snapshot

Annual Precip

44.3"

Growing Degree Days

2,456.4

Base 50F

Last Spring Frost

05/04

First Fall Frost

10/13

Days Above 95F

4

Hardiness Zone

6a

Seeding Calendar — Zone 6A

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

28

gallons

Estimated Monthly Cost

$0.22

at $0.008/gallon average

Estimates based on 44" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Common Lawn Problems in Clearfield County

Acidic Soil

Soil pH of 4.9 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: Clearfield County

Lawn Verdict

Clearfield County sits in USDA hardiness zone 6a, a transitional zone where cool-season grasses dominate but some warm-season varieties can survive. with winter lows reaching around -10.0°F. though only 2,456.4 growing degree days favor cool-season varieties like Kentucky bluegrass and fescue. Moderate rainfall (44.3 inches) generally supports healthy lawns with minimal supplemental watering.

Seasonal Breakdown

Wait until after May 4 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 69.8°F) reduce heat stress — maintain regular mowing and moderate watering. Aerate and overseed cool-season lawns by early fall, well before October 13; this is the best renovation window. Cool winters (January averages 24.4°F) mean slow or dormant growth; keep debris off the lawn.

Watering Guidance

With 44.3 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. Cool summers reduce water demand; overwatering is a bigger risk than drought stress.

Regional Context

Clearfield County is close to the Pennsylvania average temperature, USDA zone 6a 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 Clearfield County in?
Clearfield County is located in USDA hardiness zone 6a, 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 Clearfield County?
Kentucky Bluegrass is the top recommendation for Clearfield County, with a match score of 55/100. It grows best in zones 3a–7a and requires 30–40 inches of water annually.
How much rainfall does Clearfield County get?
Clearfield County receives an average of 44.3 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 Clearfield County?
The average soil pH in Clearfield County is 4.9, 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