Lawn Care Guide for Pine County
Pine County, Minnesota
USDA SSURGO / PHZMData Story
About Lawn Care in Pine County, Minnesota
Challenging Conditions for Pine County Lawns
Pine County presents a tough challenge with a lawn difficulty score of 47.2, falling well below the Minnesota average of 63.9. Maintaining a lush lawn in this Zone 4a region requires significantly more effort than the national average.
Cool Temps and Ample Rain
The county receives 33.3 inches of annual precipitation, slightly exceeding the state average of 30.0 inches. Despite having only 3 extreme heat days, the 1,857 growing degree days indicate a relatively cool and short season for grass development.
High Acidity Requires Soil Amendments
Soil chemistry is a major hurdle here, as the extremely acidic pH of 3.89 sits far below the ideal 6.0 to 7.0 range. With a sandy composition of 33.0% and only 7.4% clay, significant lime amendments are necessary to neutralize the soil and retain nutrients.
Severe Drought Risks for Pine
Resilience is low after 25 weeks of drought this past year, with 73.7% of the county currently suffering from severe conditions. Constant monitoring and water conservation are essential since 100% of the area remains abnormally dry.
Planting Around the Pine Frost
Hardy cool-season grasses like Tall Fescue are best suited for these Zone 4a conditions and acidic soil challenges. Time your planting between the last frost on May 16 and the first frost on September 26 to maximize the limited growing window.
Lawn Difficulty Score
Top Grass Fit for Pine County
Strong match
Pennington Smart Seed Sun & Shade
Pennington
Top cultivar score: 75/100
Estimated — county soil data incomplete.
Zone 4a vs Tall Fescue's 3–8 band.
Soil pH 3.89158866799333 vs Tall Fescue's 5.5–6.5 window.
Precipitation 33.343333333333334" + soil AWC vs Tall Fescue's 20–30" need.
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.
In Pine County, USDA zone 4a, soil pH 3.9, Pennington Smart Seed Sun & Shade scores 75/100 — a strong zone match, adequate moisture, and a workable establishment window.
Why we ruled these out
- Pennington Zenith Zoysia Grass Seed & Mulch — USDA zone 4a is below Pennington Zenith Zoysia Grass Seed & Mulch's effective range (5–10); not recommended for this county.
- Scotts Turf Builder Bermudagrass — USDA zone 4a is below Scotts Turf Builder Bermudagrass's effective range (6–11); not recommended for this county.
See our fit-score methodology for how survivability is determined.
Recommended Grasses
Tall Fescue
Festuca arundinacea
Climate Snapshot
Annual Precip
33.3"
Growing Degree Days
1,857.233
Base 50F
Last Spring Frost
05/16
First Fall Frost
09/26
Days Above 95F
3
Hardiness Zone
4a
Seeding Calendar — Zone 4A
Seasonal Lawn Care Checklist
Spring
- Apply pre-emergent herbicide when soil reaches 55F
- Overseed bare spots once frost risk passes
- 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
- Core aerate compacted areas
- Apply fall fertilizer (highest N application for cool-season)
- Continue mowing until growth stops
- Rake or mulch leaves to prevent smothering
Winter
- Avoid walking on frozen turf
- Service mower and sharpen blades
- Plan spring soil amendments based on fall test
- Keep lawn clear of debris
Watering Deficit Calculator
Monthly Deficit
0.8"
inches of water
Monthly Water
2,642
gallons
Estimated Monthly Cost
$21.13
at $0.008/gallon average
Estimates based on 33" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Common Lawn Problems in Pine County
Acidic Soil
Soil pH of 3.9 is below the ideal range for most grasses (6.0-7.0). Apply agricultural lime to raise pH gradually.
Persistent Drought Conditions
Pine County experienced drought conditions for 25 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: Pine County
Lawn Verdict
Pine County is in USDA hardiness zone 4a, one of the coldest zones in the country. with winter lows reaching around -30.0°F. though only 1,857.233 growing degree days favor cool-season varieties like Kentucky bluegrass and fescue. Moderate rainfall (33.3 inches) generally supports healthy lawns with minimal supplemental watering.
Seasonal Breakdown
Wait until after May 16 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 67.2°F) reduce heat stress — maintain regular mowing and moderate watering. Aerate and overseed cool-season lawns by early fall, well before September 26; this is the best renovation window. Winters are harsh (January averages 10.0°F); avoid foot traffic on frozen turf and plan snow mold prevention.
Watering Guidance
Moderate rainfall (33.3 inches) means lawns benefit from weekly deep watering during summer stress. 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
Pine County is close to the Minnesota average temperature, it is somewhat wetter than the state average, USDA zone 4a 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 Pine County in?
What is the best grass for Pine County?
How much rainfall does Pine County get?
What is the soil pH in Pine County?
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 Pine County