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Winter Melon Planting Guide

May

May is for winter melon

winter melon rewards gardeners who pay attention to a few basics. Here's what matters in May, wherever you're growing.

Sun full sun
Water moderate
Days to harvest 90–120
Plant depth 1″
Spacing 30″
  1. How to water winter melon

    Consistent moisture matters more than volume for winter melon. Little and often beats occasional drenching.

  2. Where to put winter melon

    winter melon wants at least 6 hours of direct sun. Less than that and you'll get leggy plants with weak yields.

  3. Check your local forecast before planting

    Your zone determines the exact week to plant winter melon. Pick your county below and we'll line everything up against your frost dates.

Show me winter melon timing for my zone →

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.

Benincasa hispida · Vegetable · Cucurbitaceae family · 90–120 days to maturity

Get Your Personalized Winter Melon Planting Dates

Enter your ZIP code to see exact planting dates, soil compatibility, and growing tips specific to your county.

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Where Can You Grow Winter Melon?

Winter Melon Growing Regions

Click any state to see the Winter Melon planting schedule for that location.

Planting Dates by Zone

Zone Start Indoors Direct Sow Transplant Harvest
Zone 5a Feb 28 May 2 May 9 Aug 8 – Sep 26
Zone 5b Feb 21 Apr 25 May 2 Aug 1 – Sep 19
Zone 6a Feb 13 Apr 17 Apr 24 Jul 24 – Sep 11
Zone 6b Feb 6 Apr 10 Apr 17 Jul 17 – Sep 4
Zone 7a Feb 4 Apr 1 Apr 8 Jul 8 – Aug 26
Zone 7b Jan 28 Mar 25 Apr 1 Jul 1 – Aug 19
Zone 8a Jan 18 Mar 15 Mar 22 Jun 21 – Aug 9
Zone 8b Jan 7 Mar 4 Mar 11 Jun 10 – Jul 29
Zone 9a Dec 30 Feb 10 Feb 17 May 19 – Jul 7
Zone 9b Dec 14 Jan 25 Feb 1 May 3 – Jun 21
Zone 10a Nov 20 Jan 1 Jan 8 Apr 9 – May 28
Zone 10b Nov 20 Jan 1 Jan 8 Apr 9 – May 28
Zone 11a Nov 20 Jan 1 Jan 8 Apr 9 – May 28
Zone 11b Nov 20 Jan 1 Jan 8 Apr 9 – May 28

How to Plant Winter Melon

1"
Planting Depth
30"
Between Plants
42"
Between Rows

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

Water when the top inch of soil feels dry. Consistent moisture produces the best results.

🧪 Soil pH

6 – 7

Prefers neutral to slightly acidic soil — ideal for most garden beds.

🗺️ Hardiness Zones

Zone 5a – 11b

📅 Days to Maturity

90–120 days

Medium-season crop. Start early for best results in shorter seasons.

👪 Plant Family

Cucurbitaceae

Rotate with other families yearly to prevent soil-borne diseases. Don't plant in the same spot where Cucurbitaceae family crops grew last year.

How Much Winter Melon to Grow

Winter Melon takes 90–120 days to mature. In most zones you'll get one harvest per season, so plant enough to last.

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Companion Planting for Winter Melon

✅ Good Companions

❌ Keep Away From

Potatoes

Check more combinations with our Companion Planting Checker →

Growing Tips for Winter Melon

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.

Saving Winter Melon Seeds

Recommended for Your Garden

🌱
Seed Starting Trays $8-20

Start seeds indoors with reusable cell trays and humidity domes.

🧪
Soil Test Kit $12-25

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

🏷️
Garden Plant Markers $6-12

Keep your garden organized with durable, weather-resistant plant labels.

Reader favourite
Seed Saving & Storage Guide

Seed Saving & Storage Guide

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Most saved seeds go bad before next season. This shows exactly when to pick, how to dry, and where to store seeds from 200 plants so yours don't.

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Winter Melon by State

Frequently Asked Questions

How long does it take to grow Winter Melon?

Winter Melon (Benincasa hispida) takes 90 to 120 days from planting to harvest. Exact timing depends on your variety, growing conditions, and USDA zone.

What zones can Winter Melon grow in?

Winter Melon can be grown in USDA zones 5a through 11b. Use the planting calendar above to find the exact dates for your zone.

How much sun does Winter Melon need?

Growing Winter Melon requires Full Sun (6-8+ hours), Moderate — regular watering, and soil pH of 6 to 7.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.