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When to Plant Calabash in Surry County, NC

Calabash (bottle gourd) is a tropical vine producing edible young fruits used in Asian and African cooking. Mature dried fruits serve as natural containers and utensils.

Surry County, North Carolina is in USDA Zone 7a. The average last spring frost is April 20 and the first fall frost is October 19, giving you a growing season of approximately 182 days.

At an elevation of 104 feet, Surry County receives approximately 51.2 inches of rainfall annually with predominantly clay loam soil. Summer highs average 89ยฐF, providing good warmth for Calabash during the growing season. Clay soil retains moisture well for Calabash, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Calabash root diseases.

Surry County, NC (Zone 7a) Moderate season
182 days
Last Spring Frost April 20
182 growing days
First Fall Frost October 19

Surry County Soil Profile

Soil Type

Clay Loam

Soil pH

5.4-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (32 days to spare)
Start indoors: Feb 23 Transplant: Apr 27 🍅 Harvest: Jul 20 – Sep 14
Recommended (50%) ✓ Fits season (28 days to spare)
Start indoors: Mar 2 Transplant: May 4 🍅 Harvest: Jul 27 – Sep 21
Safe Start (90%) ✓ Fits season (18 days to spare)
Start indoors: Mar 23 Transplant: May 25 🍅 Harvest: Aug 17 – Oct 12

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
1.2″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Calabash needs ~1,675 GDD — county provides 3,048 GDD Excellent fit

Calabash Planting Timeline โ€” Surry County, NC

Calabash Planting Calendar

Activity When Date Range
Start Indoors March 2 Mar 2 โ€“ Mar 16
Transplant Outdoors May 4 May 4 โ€“ May 18
Direct Sow April 27 Apr 27 โ€“ May 18
Harvest July 27 Jul 27 โ€“ Sep 21

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

80โ€“120 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7a

Growing Season

182 days

Growing Tips for Surry County

Start seeds indoors 4 weeks early. Provide a very strong trellis for heavy fruits. Harvest young for cooking or let mature on the vine for crafts. Requires a long, warm season.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Calabash in Surry County, NC?

Surry County is in Zone 7a with an average last frost of April 20. Plan your Calabash planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Surry County, NC?

Surry County, North Carolina is in USDA Hardiness Zone 7a. The average last spring frost is April 20 and first fall frost is October 19.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Surry County gardeners in Zone 7a 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 Surry County, NC. Local conditions may vary. Last updated: April 2026.