LawnByCounty

Lawn Care Guide for Nemaha County

Nemaha County, Nebraska

USDA SSURGO / PHZM

Data Story

About Lawn Care in Nemaha County, Nebraska

Nebraska's Premium Lawn Climate

Nemaha County is a gardener's paradise with a high score of 69.5, far exceeding the state average of 54.2. Its position in zone 5b offers some of the best lawn-growing conditions in all of Nebraska.

Abundant Rain and Long Seasons

Annual precipitation of 32.3 inches finally hits the national ideal range of 30-50 inches. This abundant moisture, combined with a long growing season of 3,766 degree days, leads to naturally lush and thick turf.

Clay-Rich Soil Holds Nutrients

Unlike its sandy neighbors, this soil has 28.5% clay, which holds water and nutrients exceptionally well. The 6.64 pH is ideal, though the clay content may require occasional aeration to prevent soil compaction.

The State's Drought Leader

This is the most drought-resilient county on the list, with only 16 weeks in drought and no current severe drought. However, 69% of the area is still abnormally dry, so occasional irrigation remains helpful.

Select Your Favorite Variety

You have the luxury of choosing premium Kentucky Bluegrass or durable Tall Fescue here. With a last frost date of April 24th, you can get a head start on the season compared to much of the state.

Lawn Difficulty Score

22/100
Easy
Rainfall27/100
Soil Quality0/100
Temperature20/100
Growing Season40/100
Drought31/100

Soil Summary

pH

6.6

Texture

N/A

Drainage

N/A

Organic Matter

2.6%

View full soil details

Top Grass Fit for Nemaha County

100/ 100

Excellent match

Outsidepride Midnight Kentucky Bluegrass Seed

Outsidepride

Top cultivar score: 100/100

USDA Zone Match100

Zone 5b vs Kentucky Bluegrass's 3–7 band.

Soil pH Fit100

Soil pH 6.63746867058655 vs Kentucky Bluegrass's 6–7 window.

Moisture Fit100

Precipitation 32.31" + soil AWC vs Kentucky Bluegrass's 30–40" need.

Establishment Window100

Growing-degree-days + frost window vs a advanced-difficulty establishment.

Let's be direct: Outsidepride Midnight Kentucky Bluegrass is one of the best pure KBG seeds you can buy online, and it's not particularly close. Midnight is a specific cultivar — not a generic "Kentucky bluegrass blend" — and that distinction matters enormously.
From The Lawn Report editorial review • rated 4.7/5
Shop Outsidepride Midnight Kentucky Bluegrass Seed

In Nemaha County, USDA zone 5b, soil pH 6.6, Outsidepride Midnight Kentucky Bluegrass Seed scores 100/100 — 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
Suitability70%
View Seeds
Cool-Season

Perennial Ryegrass

Lolium perenne

Drought: 2/5Shade: 2/5
Suitability70%
View Seeds
Warm-SeasonTransition Zone

Buffalograss

Bouteloua dactyloides

Drought: 5/5Shade: 1/5
Suitability70%
View Seeds
Warm-SeasonTransition Zone

Blue Grama

Bouteloua gracilis

Drought: 5/5Shade: 1/5
Suitability70%
View Seeds

Best Grass Seed for Nemaha County

Zone 5bCool-season grasses thrive here.

Find Seeds for Zone 5b

Climate Snapshot

Annual Precip

32.3"

Growing Degree Days

3,766.3

Base 50F

Last Spring Frost

04/24

First Fall Frost

10/10

Days Above 95F

39

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

1.2"

inches of water

Monthly Water

3,818

gallons

Estimated Monthly Cost

$30.55

at $0.008/gallon average

Estimates based on 32" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Lawn Care Advisory: Nemaha County

Lawn Verdict

Nemaha 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. and 3,766.3 growing degree days, sufficient for most common turfgrasses. Moderate rainfall (32.3 inches) generally supports healthy lawns with minimal supplemental watering.

Seasonal Breakdown

Wait until after April 24 to seed or overseed; soil temperatures should consistently reach 50-55°F. Cool summers (July averages 77.2°F) reduce heat stress — maintain regular mowing and moderate watering. With 39 days above 90°F annually, warm-season grasses recover faster from summer stress than cool-season types. Aerate and overseed cool-season lawns by early fall, well before October 10; this is the best renovation window. Cool winters (January averages 24.4°F) mean slow or dormant growth; keep debris off the lawn.

Watering Guidance

Moderate rainfall (32.3 inches) means lawns benefit from weekly deep watering during summer stress. Currently, 69.0% of the county is in abnormally dry according to the US Drought Monitor. Standard warm-season watering of 1 inch per week is usually adequate during summer.

Regional Context

Nemaha County is close to the Nebraska 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 Nemaha County in?
Nemaha 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 Nemaha County?
Kentucky Bluegrass is the top recommendation for Nemaha County, with a match score of 70/100. It grows best in zones 3a–7a and requires 30–40 inches of water annually.
How much rainfall does Nemaha County get?
Nemaha County receives an average of 32.3 inches of precipitation per year, based on NOAA 30-year climate normals. This provides adequate moisture for most lawn grasses with occasional supplemental watering during dry spells.
What is the soil pH in Nemaha County?
The average soil pH in Nemaha County is 6.6, based on USDA SSURGO data. This near-neutral pH supports most common lawn grasses with minimal soil amendment.

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