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When to Plant Eggplant in Greeley County, NE

Greeley County, Nebraska Zone 5a May

Your May game plan for Greeley County, Nebraska

May rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Greeley County, Nebraska.

Avg. last frost April 27
Avg. first frost October 9
Soil temp (4") 53°F
Watering Low
Pest pressure Low
Daylight 14.3 hrs
  1. Set out eggplant seedlings

    Frost risk is low now in Greeley County, Nebraska. If you've been covering beds overnight, you can stop.

  2. Sow eggplant where they'll grow

    Sow every 2 weeks for a continuous harvest. A single big planting means a single big glut.

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Eggplant is a heat-loving solanaceous crop that produces glossy fruits in purple, white, or striped varieties. It requires long, warm growing seasons for best production.

Greeley County, Nebraska is in USDA Zone 5a. The average last spring frost is April 27 and the first fall frost is October 9, giving you a growing season of approximately 165 days.

At an elevation of 1,040 feet, Greeley County receives approximately 30.7 inches of rainfall annually with predominantly loam soil. Summer highs average 83°F, so choose short-season varieties of Eggplant to ensure they mature before fall.

Greeley County, NE (Zone 5a) Moderate season
165 days
Last Spring Frost April 27
165 growing days
First Fall Frost October 9
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Greeley County Soil Profile

Soil Type

Loam

Soil pH

6.2-7.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (20 days to spare)
Start indoors: Feb 11 Transplant: May 6 🍅 Harvest: Jul 15 – Sep 16
Recommended (50%) ✓ Fits season (18 days to spare)
Start indoors: Feb 16 Transplant: May 11 🍅 Harvest: Jul 20 – Sep 21
Safe Start (90%) ✓ Fits season (16 days to spare)
Start indoors: Mar 5 Transplant: May 28 🍅 Harvest: Aug 6 – Oct 8

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Greeley County

How your county's soil matches Eggplant's growing requirements.

Soil pH

Your soil pH (6.2–7.4) overlaps with Eggplant's range (5.5–7.0), though not a perfect match.

Soil Texture

The loam soil in Greeley County is excellent for Eggplant — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is excellent (4.0%) — Eggplant will thrive.

How to Plant Eggplant

1"
Planting Depth
30"
Between Plants
42"
Between Rows

Succession Planting Eggplant

2
successive plantings in your 165-day season

Sow every 7.4 weeks. Last sowing by Jul 16 to harvest before frost.

Plant Water Budget

Plant needs
1.1″/week
Rainfall provides
0.8″/week
You supply
0.3″/week
Watering frequency 1-2 times/week
Season total 468 gal / 100 sq ft

Monthly Watering Guide for Eggplant

Eggplant needs approximately 1.1 inches of water per week (4.8" per month). Here's how your county's rainfall compares month by month.

Month Eggplant Needs Rainfall You Supplement Action
Jan 0.7" 0" ❄️ Dormant
Feb 1.1" 0" ❄️ Dormant
Mar 1.8" 0" ❄️ Dormant
Apr 4.8" 3.6" 1.2" 💧 Light watering
May 4.8" 4.1" 0.7" 💧 Light watering
Jun 4.8" 4.4" 0.4" 💧 Light watering
Jul 4.8" 4" 0.8" 💧 Light watering
Aug 4.8" 4.2" 0.6" 💧 Light watering
Sep 4.8" 2.8" 2" 💧 Light watering
Oct 4.8" 2.2" 2.6" 🚿 Regular watering
Nov 1.1" 0" ❄️ Dormant
Dec 0.8" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Greeley County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Eggplant Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Eggplant needs ~919 GDD — county provides 2,021 GDD Excellent fit

Eggplant Planting Timeline — Greeley County, NE

Eggplant Planting Calendar

Activity When Date Range
Start Indoors February 16 Feb 16 – Mar 2
Transplant Outdoors May 11 May 11 – May 25
Direct Sow May 4 May 4 – May 25
Harvest July 20 Jul 20 – Sep 21

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March Start Indoors
April
May Transplant Outdoors Direct Sow
June
July Harvest
August Harvest
September Harvest
October
November
December
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1.1"/week · 1-2 times/week

📅 Days to Maturity

65–85 days

🧪 Soil pH

Needs 5.5–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 5a

📆 Growing Season

165 days in Greeley County

Growing Tips for Eggplant in Greeley County

Direct sow Eggplant outdoors after April 27 in Greeley County when soil has warmed and frost danger has passed.

Common pests for Eggplant in this region include tomato hornworm and aphids. Use row covers early in the season and inspect plants weekly.

General growing tips

Start seeds indoors 8-10 weeks before last frost. Transplant only after nighttime temperatures stay above 55F. Mulch to retain moisture and warmth around roots.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel
  • Kohlrabi

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Eggplant in Greeley County, NE?

Greeley County is in Zone 5a with an average last frost of April 27. Plan your Eggplant planting based on this frost date — see the calendar above for exact timing.

What planting zone is Greeley County, NE?

Greeley County, Nebraska is in USDA Hardiness Zone 5a. The average last spring frost is April 27 and first fall frost is October 9.

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Your Greeley County Garden Planner — Free

A 24-page printable planner built for Greeley County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Greeley County, NE. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.