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When to Plant Cucumber in Columbia County, GA

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.

Columbia County, Georgia is in USDA Zone 8a. The average last spring frost is March 23 and the first fall frost is November 7, giving you a growing season of approximately 229 days.

At an elevation of 445 feet, Columbia County receives approximately 56.3 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92ยฐF, providing good warmth for Cucumber during the growing season. Clay soil retains moisture well for Cucumber, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cucumber root diseases.

Columbia County, GA (Zone 8a) Long season
229 days
Last Spring Frost March 23
229 growing days
First Fall Frost November 7

Columbia County Soil Profile

Soil Type

Clay Loam

Soil pH

5.4-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (105 days to spare)
Start indoors: Feb 16 Transplant: Mar 30 🍅 Harvest: May 25 – Jul 20
Recommended (50%) ✓ Fits season (103 days to spare)
Start indoors: Feb 23 Transplant: Apr 6 🍅 Harvest: Jun 1 – Jul 27
Safe Start (90%) ✓ Fits season (101 days to spare)
Start indoors: Mar 12 Transplant: Apr 23 🍅 Harvest: Jun 18 – Aug 13

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
1.0″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 953 gal / 100 sq ft
Cucumber needs ~1,140 GDD — county provides 4,351 GDD Excellent fit

Cucumber Planting Timeline โ€” Columbia County, GA

Cucumber Planting Calendar

Activity When Date Range
Start Indoors February 23 Feb 23 โ€“ Mar 9
Transplant Outdoors April 6 Apr 6 โ€“ Apr 20
Direct Sow March 30 Mar 30 โ€“ Apr 20
Harvest June 1 Jun 1 โ€“ Jul 27

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May โ€”
June Harvest
July Harvest
August โ€”
September โ€”
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 8a

Growing Season

229 days

Growing Tips for Columbia 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 Columbia County, GA?

Columbia County is in Zone 8a with an average last frost of March 23. Plan your Cucumber planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Columbia County, GA?

Columbia County, Georgia is in USDA Hardiness Zone 8a. The average last spring frost is March 23 and first fall frost is November 7.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Columbia County gardeners in Zone 8a 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 Columbia County, GA. Local conditions may vary. Last updated: April 2026.