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When to Plant Cucumber in Dawes County, NE

Cucumbers are a warm-season vine crop available in slicing and pickling varieties. They are prolific producers when given warmth, moisture, and a trellis to climb.

Dawes County, Nebraska is in USDA Zone 4a. The average last spring frost is May 18 and the first fall frost is September 21, giving you a growing season of approximately 126 days.

At an elevation of 790 feet, Dawes County receives approximately 25.2 inches of rainfall annually with predominantly loam soil. Summer highs average 81ยฐF, so choose short-season varieties of Cucumber to ensure they mature before fall.

Dawes County, NE (Zone 4a) Short season
126 days
Last Spring Frost May 18
126 growing days
First Fall Frost September 21

Dawes County Soil Profile

Soil Type

Loam

Soil pH

6.4-7.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Start indoors: Apr 1 Transplant: Jun 3 🍅 Harvest: Jul 29 – Sep 23
Recommended (50%) ✗ May not fit
Start indoors: Apr 6 Transplant: Jun 8 🍅 Harvest: Aug 3 – Sep 28
Safe Start (90%) ✗ May not fit
Start indoors: Apr 28 Transplant: Jun 30 🍅 Harvest: Aug 25 – Oct 20

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.

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
0.8″/week
You supply
0.8″/week
Watering frequency 2-3 times/week
Season total 888 gal / 100 sq ft
Drought risk

Water stress score is 8/10 โ€” consider drought-tolerant varieties and mulching

Cucumber needs ~645 GDD — county provides 1,354 GDD Excellent fit

Cucumber Planting Timeline โ€” Dawes County, NE

Cucumber Planting Calendar

Activity When Date Range
Start Indoors April 6 Apr 6 โ€“ Apr 20
Transplant Outdoors June 8 Jun 8 โ€“ Jun 22
Direct Sow June 1 Jun 1 โ€“ Jun 22
Harvest August 3 Aug 3 โ€“ Sep 28

Plant 0.5" deep ยท 24" apart ยท Rows 48" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

High โ€” keep soil consistently moist

Days to Maturity

50โ€“70 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 4a

Growing Season

126 days

Growing Tips for Dawes County

Direct sow after last frost or start indoors 3 weeks early. Provide a trellis for vining types to save space and improve air circulation. Harvest frequently to encourage production.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
  • Sage

Level Up Your Garden

Frequently Asked Questions

When should I plant Cucumber in Dawes County, NE?

Dawes County is in Zone 4a with an average last frost of May 18. Plan your Cucumber planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Dawes County, NE?

Dawes County, Nebraska is in USDA Hardiness Zone 4a. The average last spring frost is May 18 and first fall frost is September 21.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Dawes County gardeners in Zone 4a organize planting dates, track what's growing, and never miss a planting window.

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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 Dawes County, NE. Local conditions may vary. Last updated: April 2026.