Lawn Care Guide for Forest County
Forest County, Pennsylvania
USDA SSURGO / PHZMThis week in Forest County · next up in about 5 weeks (Aug 29)
Get ready to seed cool-season grass — the best fall window is about to open.
Data Story
About Lawn Care in Forest County, Pennsylvania
A High Elevation Advantage for Forest County
A lawn difficulty score of 65.1 puts Forest County well ahead of the national average of 50.0. This Zone 6a region offers cooler conditions that favor northern turf varieties better than many other parts of Pennsylvania.
Consistent Rain and Manageable Summer Heat
The county receives 46.7 inches of annual precipitation, slightly above the state average. With 9 extreme heat days per year, the climate provides a comfortable 2858 growing degree days that prevent the turf burnout often seen in hotter counties.
Local Testing Is Key for Healthy Turf
Specific soil data for pH and texture is currently unavailable for Forest County. Homeowners should perform independent soil tests to determine if their yards require the lime or phosphorus typical of Pennsylvania's forested regions.
Recent Dry Spells Demand Extra Care
Unlike its neighbors, Forest County faced 26 weeks in drought over the last year, and 100.0% of the area is currently abnormally dry. Homeowners should focus on deep, infrequent watering early in the morning to maximize moisture retention.
Start Seeding After the May Frost
Wait until after May 1st to seed your Zone 6a lawn to avoid late-season freezes. The growing window closes fairly early here, as the first fall frost typically arrives by October 25th.
Lawn Difficulty Score
Top Grass Fit for Forest County
Cool-season grasses are the general fit here
County soil and zone data are incomplete, so we show a category recommendation rather than a precise cultivar score for Forest County.
Recommended Grasses
Tall Fescue
Festuca arundinacea
Choosing grass in Forest County
Severe drought (26 wk in drought / yr) is the main thing shaping grass choice in Forest County. Here's how to work with it — then the specific pick.
- Drought-tolerant grass seedWhat survives where water is scarce and often restricted.
- Tall Fescue, explainedTraits, care, and where Tall Fescue wins — the species behind your top match.
Top match for Forest County: Tall Fescue
See the full breakdownPremium Grass Seeds is a sister site in our network. We may earn a commission from qualifying purchases made through its retailer links — this never affects your price. Guidance here reflects your county’s climate and soil data, not hands-on testing.
Climate Snapshot
Annual Precip
46.7"
Growing Degree Days
2,858.4
Base 50F
Last Spring Frost
05/01
First Fall Frost
10/25
Days Above 95F
9
Hardiness Zone
6a
Seeding Calendar — Forest County
Personalized to this county’s frost dates — a 177-day growing season. Windows below are computed from local last-spring and first-fall frost normals, so they differ county-to-county even within USDA Zone 6A.
Plan your seeding — Forest County
Pick a grass and a goal to get a personalized schedule anchored to this county’s frost dates.
- 1Prepare the seedbedAug 15 – Aug 28
Mow low, dethatch or rake, and loosen the top ½ inch of soil so seed makes good contact.
- 2Sow seedAug 29 – Sep 26
Best window to sow Kentucky Bluegrass in Forest County, anchored to your local frost dates.
- 3EstablishSep 27 – Oct 24
Protect young seedlings: mow only after they reach ~3 inches and hold off on weed pre-emergents until established.
Keep the seedbed consistently moist — roughly ¼ inch of water daily, split into shorter cycles if the surface dries out quickly. County-specific soil texture isn’t available here, so adjust to how fast your own soil drains.
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
0.0"
inches of water
Monthly Water
0
gallons
Estimated Monthly Cost
$0.00
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 Forest County
Persistent Drought Conditions
Forest County experienced drought conditions for 26 of the past 52 weeks. Prioritize water-efficient grasses and consider reducing lawn area.
Learn more about regional lawn challenges at The Lawn Report.
Lawn Care Advisory: Forest County
Lawn Verdict
Forest 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. and 2,858.4 growing degree days, sufficient for most common turfgrasses. Moderate rainfall (46.7 inches) generally supports healthy lawns with minimal supplemental watering.
Seasonal Breakdown
Wait until after May 1 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 71.9°F) reduce heat stress — maintain regular mowing and moderate watering. Aerate and overseed cool-season lawns by early fall, well before October 25; this is the best renovation window. Cool winters (January averages 27.0°F) mean slow or dormant growth; keep debris off the lawn.
Watering Guidance
With 46.7 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
Forest 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 Forest County in?
What is the best grass for Forest County?
How long is the growing season in Forest County?
How much rainfall does Forest County get?
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.
Explore more data for Forest County