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When to Plant Winter Melon in Niagara County, NY

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.

Niagara County, New York is in USDA Zone 5b. The average last spring frost is April 29 and the first fall frost is October 27, giving you a growing season of approximately 181 days.

At an elevation of 1,192 feet, Niagara County receives approximately 38.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84ยฐF, so choose short-season varieties of Winter Melon to ensure they mature before fall.

Niagara County, NY (Zone 5b) Moderate season
181 days
Last Spring Frost April 29
181 growing days
First Fall Frost October 27

Niagara County Soil Profile

Soil Type

Silt Loam

Soil pH

4.8-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (18 days to spare)
Start indoors: Mar 3 Transplant: May 12 🍅 Harvest: Aug 11 – Sep 29
Recommended (50%) ✓ Fits season (27 days to spare)
Start indoors: Mar 4 Transplant: May 13 🍅 Harvest: Aug 12 – Sep 30
Safe Start (90%) ✓ Fits season (22 days to spare)
Start indoors: Mar 18 Transplant: May 27 🍅 Harvest: Aug 26 – Oct 14

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 187 gal / 100 sq ft
Winter Melon needs ~1,365 GDD — county provides 2,353 GDD Excellent fit

Winter Melon Planting Timeline โ€” Niagara County, NY

Winter Melon Planting Calendar

Activity When Date Range
Start Indoors March 4 Mar 4 โ€“ Mar 18
Transplant Outdoors May 13 May 13 โ€“ May 27
Direct Sow May 6 May 6 โ€“ May 27
Harvest August 12 Aug 12 โ€“ Sep 30

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

Month-by-Month Timeline

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

90โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 5b

Growing Season

181 days

Growing Tips for Niagara 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Winter Melon in Niagara County, NY?

Niagara County is in Zone 5b with an average last frost of April 29. Plan your Winter Melon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Niagara County, NY?

Niagara County, New York is in USDA Hardiness Zone 5b. The average last spring frost is April 29 and first fall frost is October 27.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Niagara County gardeners in Zone 5b 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 Niagara County, NY. Local conditions may vary. Last updated: April 2026.