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When to Plant Winter Melon in Orangeburg County, SC

Winter melon (wax gourd) is a large Asian squash with a waxy white coating that allows long storage. The mild flesh is used in soups and stir-fries.

Orangeburg County, South Carolina is in USDA Zone 8a. The average last spring frost is March 15 and the first fall frost is November 13, giving you a growing season of approximately 243 days.

At an elevation of 441 feet, Orangeburg County receives approximately 49.7 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 98ยฐF, so Winter Melon may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Winter Melon will need more frequent watering and organic matter to retain nutrients.

Orangeburg County, SC (Zone 8a) Long season
243 days
Last Spring Frost March 15
243 growing days
First Fall Frost November 13

Orangeburg County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.2-6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (89 days to spare)
Start indoors: Jan 18 Transplant: Mar 22 🍅 Harvest: Jun 21 – Aug 9
Recommended (50%) ✓ Fits season (89 days to spare)
Start indoors: Jan 25 Transplant: Mar 29 🍅 Harvest: Jun 28 – Aug 16
Safe Start (90%) ✓ Fits season (85 days to spare)
Start indoors: Feb 13 Transplant: Apr 17 🍅 Harvest: Jul 17 – Sep 4

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
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 305 gal / 100 sq ft
Winter Melon needs ~2,468 GDD — county provides 5,710 GDD Excellent fit

Winter Melon Planting Timeline โ€” Orangeburg County, SC

Winter Melon Planting Calendar

Activity When Date Range
Start Indoors January 25 Jan 25 โ€“ Feb 8
Transplant Outdoors March 29 Mar 29 โ€“ Apr 12
Direct Sow March 22 Mar 22 โ€“ Apr 12
Harvest June 28 Jun 28 โ€“ Aug 16

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

Month-by-Month Timeline

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

90โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8a

Growing Season

243 days

Growing Tips for Orangeburg County

Start seeds indoors 3-4 weeks early. Provide ample space for sprawling vines. Harvest when the waxy coating develops on the rind. Fruits can weigh 15-30 pounds.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

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Frequently Asked Questions

When should I plant Winter Melon in Orangeburg County, SC?

Orangeburg County is in Zone 8a with an average last frost of March 15. Plan your Winter Melon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Orangeburg County, SC?

Orangeburg County, South Carolina is in USDA Hardiness Zone 8a. The average last spring frost is March 15 and first fall frost is November 13.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Orangeburg 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 Orangeburg County, SC. Local conditions may vary. Last updated: April 2026.