LawnByCounty

Lawn Care Guide for York County

York County, Maine

USDA SSURGO / PHZM

Data Story

About Lawn Care in York County, Maine

Maine's Most Challenging Lawn Conditions

York County is the most difficult area for lawns in this group, scoring a very low 36.9 on the difficulty scale. This Zone 5b region is significantly harder to manage than both the state and national averages.

High Rainfall and Double the Heat

A high annual precipitation of 51.0 inches combined with 6 extreme heat days per year puts unusual stress on turf. Lawns here must contend with both potential nutrient leaching from heavy rain and summer heat that is twice the state average.

Managing Sandy and Acidic York Soils

The soil is extremely acidic at 3.75 pH and contains 33.1% sand, which leads to poor nutrient retention. Significant lime applications and heavy composting are necessary to transform this base into a viable growing medium.

Severe Drought Challenges for Sandy Soil

York County is currently 100.0% covered by severe drought, which is especially hard on its sandy soil. After 41 weeks of drought over the past year, using a smart irrigation controller is essential for efficient water use.

Smart Seeding for York County

Seed between the May 9th spring frost and the October 3rd fall frost for the best results. Given the sandy and acidic conditions, look for heat-tolerant and drought-resistant Tall Fescues that can withstand the county's unique pressures.

Lawn Difficulty Score

25/100
Easy
Rainfall12/100
Soil Quality20/100
Temperature3/100
Growing Season40/100
Drought79/100

Soil Summary

pH

3.7

Texture

N/A

Drainage

N/A

Organic Matter

34.7%

View full soil details

Top Grass Fit for York County

82/ 100

Excellent match

Pennington Smart Seed Sun & Shade

Pennington

Top cultivar score: 82/100

Estimated — county soil data incomplete.

USDA Zone Match100

Zone 5b vs Tall Fescue's 3–8 band.

Soil pH Fit10

Soil pH 3.74550422540232 vs Tall Fescue's 5.5–6.5 window.

Moisture Fit100

Precipitation 51.00666666666666" + 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 York County, USDA zone 5b, soil pH 3.7, Pennington Smart Seed Sun & Shade scores 82/100 — a strong zone match, adequate moisture, and a long enough establishment window.

Why we ruled these out

  • Scotts Turf Builder BermudagrassUSDA zone 5b 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

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 York County

Zone 5bCool-season grasses thrive here.

Find Seeds for Zone 5b

Climate Snapshot

Annual Precip

51.0"

Growing Degree Days

2,089.02

Base 50F

Last Spring Frost

05/09

First Fall Frost

10/03

Days Above 95F

6

Hardiness Zone

5b

Seeding Calendar — Zone 5B

J
F
M
A
M
J
J
A
S
O
N
D
Cool Seed (Best)
Cool Seed (OK)
Cool Seed (Best)
Cool Seed (OK)
Optimal (cool)
Acceptable (cool)
Optimal (warm)
Acceptable (warm)

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

50020,000 sq ft

Monthly Deficit

0.0"

inches of water

Monthly Water

0

gallons

Estimated Monthly Cost

$0.00

at $0.008/gallon average

Estimates based on 51" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Common Lawn Problems in York County

Excess Moisture & Fungal Disease

High annual rainfall (51 inches) increases risk of fungal diseases like brown patch and dollar spot. Ensure good drainage and avoid overwatering.

Acidic Soil

Soil pH of 3.7 is below the ideal range for most grasses (6.0-7.0). Apply agricultural lime to raise pH gradually.

Persistent Drought Conditions

York County experienced drought conditions for 41 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: York County

Lawn Verdict

York County sits in USDA hardiness zone 5b, a transitional zone where cool-season grasses dominate but some warm-season varieties can survive. with winter lows reaching around -15.0°F. though only 2,089.02 growing degree days favor cool-season varieties like Kentucky bluegrass and fescue. High annual precipitation (51.0 inches) supports lush growth but increases disease pressure.

Seasonal Breakdown

Wait until after May 9 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 68.8°F) reduce heat stress — maintain regular mowing and moderate watering. Aerate and overseed cool-season lawns by early fall, well before October 3; this is the best renovation window. Cool winters (January averages 21.1°F) mean slow or dormant growth; keep debris off the lawn.

Watering Guidance

York County receives abundant rainfall (51.0 inches annually), so lawns rarely need supplemental irrigation. Currently, 100.0% of the county is in severe drought according to the US Drought Monitor. Mandatory watering restrictions may be in effect; follow local guidelines and prioritize tree and shrub watering over turf. Cool summers reduce water demand; overwatering is a bigger risk than drought stress.

Regional Context

York County is close to the Maine average temperature, it is somewhat wetter than the state average, USDA zone 5b 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 York County in?
York County is located in USDA hardiness zone 5b, 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 York County?
Kentucky Bluegrass is the top recommendation for York 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 York County get?
York County receives an average of 51.0 inches of precipitation per year, based on NOAA 30-year climate normals. This abundant rainfall supports a wide range of grass species with minimal supplemental irrigation.
What is the soil pH in York County?
The average soil pH in York County is 3.7, 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