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When to plant Winter Melon in Blue Earth County, MN

Blue Earth County gardeners should plant Winter Melon between May 6 and May 27 in spring. With Blue Earth County's Zone 5a climate (last frost April 29), Winter Melon needs 90–120 days to mature — plant by June 6 for a full harvest.

When to Plant Winter Melon in Blue Earth County, MN

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.

Blue Earth County, Minnesota is in USDA Zone 5a. The average last spring frost is April 29 and the first fall frost is October 4, giving you a growing season of approximately 158 days.

At an elevation of 646 feet, Blue Earth County receives approximately 40.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82°F, so choose short-season varieties of Winter Melon to ensure they mature before fall.

Blue Earth County, MN (Zone 5a) Moderate season
158 days
Last Spring Frost April 29
158 growing days
First Fall Frost October 4

Blue Earth County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Winter Melon Planting Timeline — Blue Earth County, MN

Winter Melon Planting Calendar

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

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

90–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5a

📆 Growing Season

158 days in Blue Earth County

Growing Tips for Blue Earth 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Winter Melon in Blue Earth County, MN?

Blue Earth County is in Zone 5a with an average last frost of April 29. Plan your Winter Melon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Blue Earth County, MN?

Blue Earth County, Minnesota is in USDA Hardiness Zone 5a. The average last spring frost is April 29 and first fall frost is October 4.

When should I plant Winter Melon in Blue Earth County, MN?

In Blue Earth County, MN, plant Winter Melon after the last frost (around April 29) and before the first frost (around October 4). Best results when soil holds above 50°F.

What growing zone is Blue Earth County, MN for Winter Melon?

Blue Earth County sits in USDA Zone 5a. Winter Melon grows reliably in zones 5a through 11b, so it's a good fit here.

Can Winter Melon grow in Blue Earth County's climate?

Yes — Winter Melon grows well in Blue Earth County's temperate climate. Blue Earth County averages a 158-day frost-free season, with last frost around April 29 and first frost around October 4.

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Your Blue Earth County Garden Planner — Free

A 22-page printable planner built for Blue Earth County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Blue Earth County, MN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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