Blog

When to Plant Hubbard Squash in Bartow County, GA

Hubbard squash is a large, bumpy-skinned winter squash with dense, sweet, dry flesh ideal for baking and pies. The hard shell allows storage for 6 months or more.

Bartow County, Georgia is in USDA Zone 7b. The average last spring frost is March 28 and the first fall frost is November 1, giving you a growing season of approximately 218 days.

At an elevation of 444 feet, Bartow County receives approximately 51.2 inches of rainfall annually with predominantly clay loam soil. Summer highs average 90ยฐF, providing good warmth for Hubbard Squash during the growing season. Clay soil retains moisture well for Hubbard Squash, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Hubbard Squash root diseases.

Bartow County, GA (Zone 7b) Long season
218 days
Last Spring Frost March 28
218 growing days
First Fall Frost November 1

Bartow County Soil Profile

Soil Type

Clay Loam

Soil pH

5.8-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (65 days to spare)
Start indoors: Feb 22 Transplant: Apr 5 🍅 Harvest: Jul 19 – Aug 23
Recommended (50%) ✓ Fits season (64 days to spare)
Start indoors: Feb 28 Transplant: Apr 11 🍅 Harvest: Jul 25 – Aug 29
Safe Start (90%) ✓ Fits season (65 days to spare)
Start indoors: Mar 20 Transplant: May 1 🍅 Harvest: Aug 14 – Sep 18

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
1.0″/week
Rainfall provides
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Hubbard Squash needs ~1,925 GDD — county provides 3,815 GDD Excellent fit

Hubbard Squash Planting Timeline โ€” Bartow County, GA

Hubbard Squash Planting Calendar

Activity When Date Range
Start Indoors February 28 Feb 28 โ€“ Mar 14
Transplant Outdoors April 11 Apr 11 โ€“ Apr 25
Direct Sow April 4 Apr 4 โ€“ Apr 25
Harvest July 25 Jul 25 โ€“ Aug 29

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

100โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

218 days

Growing Tips for Bartow County

Start seeds indoors in short-season areas. Requires ample space and rich soil. Harvest when the skin is very hard and the color is deep. Cure in the sun before storing.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Hubbard Squash in Bartow County, GA?

Bartow County is in Zone 7b with an average last frost of March 28. Plan your Hubbard Squash planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Bartow County, GA?

Bartow County, Georgia is in USDA Hardiness Zone 7b. The average last spring frost is March 28 and first fall frost is November 1.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Bartow County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

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