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When to Plant Winter Melon in USDA Zone 11a

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.

In Zone 11a, the average last spring frost is around January 1 and the first fall frost is around December 31, giving you a growing season of approximately 364 days.

Zone 11a Year-round
364 days
Last Spring Frost January 1
364 growing days
First Fall Frost December 31

Winter Melon Planting Timeline — Zone 11a

Where Is USDA Zone 11a?

The map below highlights the states that contain Zone 11a. Click any state to see the Winter Melon planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Winter Melon Planting Calendar — Zone 11a

Activity When Date Range
Start Indoors November 20 Nov 20 – Dec 4
Transplant Outdoors January 8 Jan 8 – Jan 22
Direct Sow January 1 Jan 1 – Jan 22
Harvest April 9 Apr 9 – May 28

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

Month-by-Month Timeline

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

Free Zone 11a Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 11a with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate — regular watering

Days to Maturity

90–120 days

Soil pH

6 – 7

Zone Temperature Range

40°F to 45°F average annual minimum

Growing Season

364 days (Zone 11a average)

Planting Specifications

Planting Depth1 inches
Plant Spacing30 inches apart
Row Spacing42 inches between rows

Growing Tips for Zone 11a

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

Saving Winter Melon Seeds

Recommended for Your Garden

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Garden Shade Cloth $15-35

Reduce heat stress and sun scorch in hot climates with UV-stabilized shade cloth.

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Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

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Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

Related Plants

Frequently Asked Questions

When should I plant Winter Melon in Zone 11a?

In Zone 11a, plan your Winter Melon planting around the average last frost date of January 1. Start seeds indoors around November 20. Direct sow outdoors around January 1. Transplant seedlings around January 8.

Can Winter Melon grow in Zone 11a?

Yes, Winter Melon can grow well in Zone 11a, hardy in USDA zones 5a through 11b. Zone 11a has a growing season of approximately 364 days, which is sufficient for Winter Melon (90-120 days to maturity).

When can I harvest Winter Melon in Zone 11a?

In Zone 11a, expect to harvest Winter Melon from April 9 – May 28. Winter Melon takes 90-120 days from planting to harvest.

What is the last frost date for Zone 11a?

The average last spring frost in Zone 11a is around January 1, and the first fall frost is around December 31. This gives a growing season of approximately 364 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Winter Melon?

Good companion plants for Winter Melon include Corn, Radish. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner — organize your planting dates for Zone 11a, track your crops, and plan your garden season from seed to harvest.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: April 2026.