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When to Plant Celery in Greeley County, NE

Celery is a marshland plant that requires consistent moisture and cool temperatures to produce crisp, flavorful stalks. It is a rewarding but demanding garden crop.

Greeley County, Nebraska is in USDA Zone 4b. 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 83ยฐF, so choose short-season varieties of Celery to ensure they mature before fall.

Greeley County, NE (Zone 4b) Moderate season
165 days
Last Spring Frost April 27
165 growing days
First Fall Frost October 9

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 (27 days to spare)
Start indoors: Mar 11 Transplant: Apr 22 🍅 Harvest: Jul 15 – Sep 9
Recommended (50%) ✓ Fits season (25 days to spare)
Start indoors: Mar 16 Transplant: Apr 27 🍅 Harvest: Jul 20 – Sep 14
Safe Start (90%) ✓ Fits season (23 days to spare)
Start indoors: Apr 2 Transplant: May 14 🍅 Harvest: Aug 6 – Oct 1

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
0.7″/week
Watering frequency 2-3 times/week
Season total 1,055 gal / 100 sq ft
Celery needs ~1,225 GDD — county provides 2,021 GDD Excellent fit

Celery Planting Timeline โ€” Greeley County, NE

Celery Planting Calendar

Activity When Date Range
Start Indoors March 16 Mar 16 โ€“ Mar 30
Transplant Outdoors April 27 Apr 27 โ€“ May 11
Direct Sow April 20 Apr 20 โ€“ May 11
Fall Sowing July 17 Jul 17 โ€“ Jul 31
Harvest July 20 Jul 20 โ€“ Sep 14

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Start Indoors
April Transplant Outdoors Direct Sow
May Transplant Outdoors Direct Sow
June โ€”
July Fall Sowing Harvest
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

80โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 4b

Growing Season

165 days

Growing Tips for Greeley County

Start seeds indoors 10-12 weeks before last frost. Keep soil consistently moist and never let it dry out. Blanch stalks by mounding soil or using collars for milder flavor.

Companion Planting

Good Companions

Avoid Planting Near

  • Carrots
  • Parsnip

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Frequently Asked Questions

When should I plant Celery in Greeley County, NE?

Greeley County is in Zone 4b with an average last frost of April 27. Plan your Celery planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Greeley County, NE?

Greeley County, Nebraska is in USDA Hardiness Zone 4b. The average last spring frost is April 27 and first fall frost is October 9.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Greeley County gardeners in Zone 4b 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 Greeley County, NE. Local conditions may vary. Last updated: April 2026.