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When to Plant Zucchini in Kearney County, NE

Kearney County, Nebraska Zone 5b May

Your May game plan for Kearney County, Nebraska

Your Kearney County, Nebraska garden is entering a new phase. Here's what's on the schedule for May and why each task matters now.

Avg. last frost April 29
Avg. first frost October 10
Soil temp (4") 58°F
Watering Low
Pest pressure Low
Daylight 14.3 hrs
  1. Move zucchini into the garden

    Bring a watering can to the bed. Each transplant gets a drink the moment it's in the ground, not ten minutes later.

  2. Outdoor sowing time: zucchini

    Keep the top inch of soil moist until germination — a gentle morning watering for 5–7 days does the job.

June prep starts now
  • Starting indoors: zucchini

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Zucchini is an incredibly prolific summer squash that can produce an abundance of fruit from just a few plants. It is versatile in the kitchen from grilling to baking.

Kearney County, Nebraska is in USDA Zone 5b. The average last spring frost is April 29 and the first fall frost is October 10, giving you a growing season of approximately 164 days.

At an elevation of 1,041 feet, Kearney County receives approximately 25.6 inches of rainfall annually with predominantly loam soil. Summer highs average 83°F, so choose short-season varieties of Zucchini to ensure they mature before fall.

Kearney County, NE (Zone 5b) Moderate season
164 days
Last Spring Frost April 29
164 growing days
First Fall Frost October 10
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Kearney County Soil Profile

Soil Type

Loam

Soil pH

6.8-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (48 days to spare)
Start indoors: Mar 18 Transplant: May 6 🍅 Harvest: Jun 24 – Aug 19
Recommended (50%) ✓ Fits season (45 days to spare)
Start indoors: Mar 25 Transplant: May 13 🍅 Harvest: Jul 1 – Aug 26
Safe Start (90%) ✓ Fits season (41 days to spare)
Start indoors: Apr 9 Transplant: May 28 🍅 Harvest: Jul 16 – Sep 10

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 Kearney County

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

Soil pH

Your soil pH (6.8–7.2) is within Zucchini's preferred range (6.0–7.5).

Soil Texture

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

Organic Matter

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

How to Plant Zucchini

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

Succession Planting Zucchini

4
successive plantings in your 164-day season

Sow every 5.1 weeks. Last sowing by Aug 11 to harvest before frost.

Plant Water Budget

Plant needs
1.2″/week
Rainfall provides
0.7″/week
You supply
0.7″/week
Watering frequency 1-2 times/week
Season total 954 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Zucchini

Zucchini needs approximately 1.2 inches of water per week (5.2" per month). Here's how your county's rainfall compares month by month.

Month Zucchini Needs Rainfall You Supplement Action
Jan 0.7" 0" ❄️ Dormant
Feb 0.8" 0" ❄️ Dormant
Mar 1.5" 0" ❄️ Dormant
Apr 5.2" 2.9" 2.3" 💧 Light watering
May 5.2" 3.8" 1.4" 💧 Light watering
Jun 5.2" 4" 1.2" 💧 Light watering
Jul 5.2" 2.9" 2.3" 💧 Light watering
Aug 5.2" 3.4" 1.8" 💧 Light watering
Sep 5.2" 2.3" 2.9" 🚿 Regular watering
Oct 5.2" 1.6" 3.6" 🚿 Regular watering
Nov 0.9" 0" ❄️ Dormant
Dec 0.7" 0" ❄️ Dormant

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

Zucchini 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.

Zucchini needs ~643 GDD — county provides 2,009 GDD Excellent fit

Zucchini Planting Timeline — Kearney County, NE

Zucchini Planting Calendar

Activity When Date Range
Start Indoors March 25 Mar 25 – Apr 8
Transplant Outdoors May 13 May 13 – May 27
Direct Sow May 6 May 6 – May 27
Harvest July 1 Jul 1 – Aug 26

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

Month-by-Month Timeline

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

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1.2"/week · 1-2 times/week

📅 Days to Maturity

45–60 days

🧪 Soil pH

Needs 6–7.5 · Your soil: ideal

🗺️ USDA Zone

Zone 5b

📆 Growing Season

164 days in Kearney County

Growing Tips for Zucchini in Kearney County

Direct sow Zucchini outdoors after April 29 in Kearney County when soil has warmed and frost danger has passed.

Your generous 164.0-day season in Kearney County allows multiple plantings of Zucchini. Sow every 22.0 days for continuous harvest.

Common pests for Zucchini in this region include squash vine borer and cucumber beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

Direct sow after last frost. Harvest when fruits are 6-8 inches long for best flavor and texture. Check plants daily in summer as fruits can double in size overnight.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Zucchini in Kearney County, NE?

Kearney County is in Zone 5b with an average last frost of April 29. Plan your Zucchini planting based on this frost date — see the calendar above for exact timing.

What planting zone is Kearney County, NE?

Kearney County, Nebraska is in USDA Hardiness Zone 5b. The average last spring frost is April 29 and first fall frost is October 10.

🌱

Your Kearney County Garden Planner — Free

A 24-page printable planner built for Kearney County (Zone 5b). 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 Kearney 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.