Delaware Grass Types

Looking for the optimal grass varieties for lawns in Delaware? Below is a comparison table and accompanying data that will give you information about what grasses are best suited for Delaware and its inner counties.

Note: Cold, heat, drought, and saturation tolerance are measured on a score of 0-5 with 0 being the least tolerant and 5 being the most.

Zoysia Grass

Most suitable grass (on average)

Buffalo Grass

Great for areas with heavy rainfall

Tall Fescue

3rd most suitable (on average)

Kentucky Bluegrass

Optimal for hotter areas

Kikuyu Grass

5th most suitable (on average)

Centipede Grass

Ideal for drought-prone areas

Bahia Grass

Perfect for sunny areas

Lawn Visual
Seasonal Type Warm Warm Cool Cool Warm Warm Warm
Cold Tolerance 2.5 3.5 4.0 4.0 1.5 1.0 1.5
Heat Tolerance 4.0 4.0 3.5 2.5 4.5 4.5 4.5
Drought Tolerance 3.5 5.0 3.5 3.0 4.5 4.0 5.0
Saturation Tolerance 2.0 2.0 3.0 3.0 2.5 4.0 3.5
USDA Zone(s) 6-13 5-9 5-8 1-7 6-13 7-13 4-13
Sun Exposure Full Sun, Partial Shade Full Sun, Deep Shade Mostly Sun, Deep Shade Mostly Sun, Partial Shade Full Sun, Light Shade Full Sun, Light Shade Full Sun, Light Shade
Moderate, Moderate Low, Slow Moderate, Moderate Moderate, Moderate High, Moderate Low, Slow Moderate, Moderate
Weekly, 1 inch Bi-weekly, 0.5 inches Weekly, 1-1.5 inches Weekly, 1-1.5 inches Weekly, 1-1.25 inches Weekly, 1 inch Bi-weekly, 0.5-0.75 inches
Every 7-10 days, 0.5-1.5 inches Every 10-14 days, 2-3 inches Every 5-7 days, 2-3.5 inches Every 5-7 days, 2.5-3.5 inches Every 7 days, 1-1.5 inches Every 10-14 days, 1-2 inches Every 7-14 days, 2.5-4 inches
Soil Well-drained, Loamy
pH: 6.0-7.0
Well-drained, Loamy to Sandy
pH: 6.0-7.5
pH: 5.5-7.5
Well-drained, Loamy
pH: 6.0-7.0
pH: 5.5-7.0
Sandy, Acidic
pH: 4.5-6.0
Acidic, Sandy
pH: 5.5-6.5
Texture Fine to Medium Fine Coarse Fine to Medium Medium to Coarse Medium Coarse
Color Light Green Blue-Green Dark Green Rich Green Dark Green Light Green Light Green

Delaware Zones

The interactive map below shows the USDA plant hardiness zones specific to Delaware. Each zone in the map represents a certain temperature range that is critical for plant survival and growth, divided based on the average annual minimum winter temperature. Click on the map to see the optimial grass types for each county.

Zone No. 7
Map Color
Lowest Avg. Winter Temperature 0° to 10°F

The chart and table below shows the average monthly precipitation and minimum/maximum temperatures in Delaware over the last 5 years.

Month Min Temp (°F) Max Temp (°F) Prep (in)
Jan26.42 °F44.04 °F3.23"
Feb30.56 °F48.92 °F3.87"
Mar35.76 °F55.46 °F3.74"
Apr43.38 °F64.88 °F3.43"
May54.68 °F75 °F4.25"
Jun63.18 °F83.34 °F3.63"
Jul69.08 °F88.64 °F4.88"
Aug68.16 °F86.72 °F4.81"
Sep61.16 °F80.12 °F3.85"
Oct50.66 °F69.62 °F4.49"
Nov36.94 °F57.42 °F3.57"
Dec31.48 °F49.66 °F4.08"

The chart below shows the optimal months for seeding or sodding new grass in Delaware. Suitability for each month is based on the average monthly temperature in Delaware.

May, June, September and October are the most optimal months for planting cool-season grasses in Delaware.

June and July are the most optimal months for planting warm-season grasses in Delaware.

Grass Types by County in Delaware

Below is a list of counties in Delaware. Click on any county to get a more detailed analysis.

Data source and citation

Raw data for the grass characteristics was sourced from the USDA's PLANTS Database.

Data for climate zones in Delaware was gathered from the USDA Plant Hardiness Zone Map as well as GIS datasets from the Oregon State University PRISM Climate Group.

Average monthly temperatures and precipitation data for Delaware was sourced from the NOAA National Centers for Environmental information.

Please use the citation tool below to reference any information found on this page.

  • "Delaware Grass Types". Accessed on July 20, 2024.

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