Lawn Care Guide for Maui County

Maui County, Hawaii

Data Story

About Lawn Care in Maui County, Hawaii

Managing Turf in Maui's Microclimates

Maui presents a complex lawn care landscape compared to the national average difficulty score of 50.0. The lack of dormancy means you must provide year-round support to your turf to keep it healthy and competitive against weeds.

Adapting to Diverse Weather Patterns

Specific growing degree days and precipitation stats are not recorded here, requiring a localized approach to watering. The island's intense sun can quickly dry out lawns, making smart scheduling vital for turf survival.

Building a Strong Maui Soil Base

With no data available for soil pH or clay content, a DIY soil test kit is an essential tool for any Maui homeowner. Understanding your specific soil texture will help you determine how often to water and which nutrients to add.

Battling Critical Water Scarcity

Drought is a major concern, with 36.5% of the county in severe drought and 53 weeks of drought over the past year. To protect your lawn, consider installing drip irrigation or choosing turf that can survive extended dry periods.

Selecting Drought-Hardy Grasses

Bermuda and Zoysia grasses are top contenders for Maui because of their excellent drought tolerance once established. You can plant year-round, but ensure you have a dedicated water plan to help new grass survive the current severe dry spell.

Lawn Difficulty Score

NaN/100
Challenging
Rainfall60/100
Soil Quality0/100
TemperatureNaN/100
Growing Season5/100
Drought100/100

Soil Summary

pH

N/A

Texture

N/A

Drainage

N/A

Organic Matter

N/A

View full soil details

Climate Snapshot

Annual Precip

N/A

Growing Degree Days

N/A

Base 50F

Last Spring Frost

N/A

First Fall Frost

N/A

Days Above 95F

N/A

Hardiness Zone

N/A

Seeding Calendar — Zone 7A

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

0.4"

inches of water

Monthly Water

1,298

gallons

Estimated Monthly Cost

$10.38

at $0.008/gallon average

Estimates based on 30" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Common Lawn Problems in Maui County

Persistent Drought Conditions

Maui County experienced drought conditions for 53 of the past 52 weeks. Prioritize water-efficient grasses and consider reducing lawn area.

Learn more about regional lawn challenges at The Lawn Report.

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.