Lawn Care Guide for Martin County
Martin County, Minnesota
Data Story
About Lawn Care in Martin County, Minnesota
Martin County: A Minnesota Lawn Leader
Martin County boasts an impressive lawn score of 76.8, far outpacing both the state average of 63.9 and the national average of 50.0. Hardiness zone 5a provides a hospitable environment for a variety of popular grass species. It is among the easiest places in the state to maintain a lush yard.
Generous Rains Fuel Fast Growth
High annual precipitation of 33.5 inches provides excellent natural irrigation compared to the state average of 30.0. Despite 11 extreme heat days, the 2,891 growing degree days support robust growth throughout the season. Expect to mow frequently to keep up with the fast-growing turf.
Ideal Soil Conditions for Southern Turf
Soil conditions are nearly ideal with a pH of 6.75 and a healthy 23.8% clay composition. This balance retains moisture well without becoming waterlogged, making it a dream for local homeowners. Most grass types will flourish here with minimal soil adjustment.
Managing Abnormally Dry Current Conditions
Only 7 weeks of drought were recorded in the past year, though 100% of the county is currently classified as abnormally dry. Thanks to the 33.5 inches of annual rain, temporary dry spells are easy to manage with light supplemental watering. Your lawn is well-positioned to bounce back quickly.
Harnessing the Long Growing Season
The zone 5a climate is perfect for diverse turf mixes including Tall Fescue for better heat resistance. With a long season from April 25 to October 14, you have ample time to establish a thick, healthy lawn. Fall is the ideal time to aerate and overseed for next year.
Lawn Difficulty Score
Recommended Grasses
Tall Fescue
Festuca arundinacea
Buffalograss
Bouteloua dactyloides
Climate Snapshot
Annual Precip
33.5"
Growing Degree Days
2,891.2
Base 50F
Last Spring Frost
04/25
First Fall Frost
10/14
Days Above 95F
11
Hardiness Zone
5a
Seeding Calendar — Zone 5A
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
1.0"
inches of water
Monthly Water
3,175
gallons
Estimated Monthly Cost
$25.40
at $0.008/gallon average
Estimates based on 33" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.
Want detailed soil composition, drainage classes, and soil series data? View soil details on SoilByCounty.com
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.
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