Bitter Melon Planting Guide

May

bitter melon this month

Everything below applies to bitter melon broadly. For a plan that's dialled into your county's frost dates and soil, tap your location.

Sun full sun

Water moderate

Days to harvest 60–90

Plant depth 1″

Spacing 30″

How to water bitter melon
Consistent moisture matters more than volume for bitter melon. Little and often beats occasional drenching.
Where to put bitter melon
bitter melon wants at least 6 hours of direct sun. Less than that and you'll get leggy plants with weak yields.
Check your local forecast before planting
Your zone determines the exact week to plant bitter melon. Pick your county below and we'll line everything up against your frost dates.

See when to plant bitter melon where you live →

Bitter melon is a tropical vine producing warty, bitter fruits used in Asian and Indian cuisine. The intense bitterness is prized for its culinary and health properties.

Momordica charantia · Vegetable · Cucurbitaceae family · 60–90 days to maturity

Get Your Personalized Bitter Melon Planting Dates

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

Where Can You Grow Bitter Melon?

Zone Compatibility for Bitter Melon Zones 5a – 11b

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Ideal (data available) Suitable Marginal Not recommended

Planting Dates by Zone

Zone	Start Indoors	Direct Sow	Transplant	Harvest
Zone 5a	Feb 28	May 2	May 9	Jul 11 – Aug 22
Zone 5b	Feb 21	Apr 25	May 2	Jul 4 – Aug 15
Zone 6a	Feb 13	Apr 17	Apr 24	Jun 26 – Aug 7
Zone 6b	Feb 6	Apr 10	Apr 17	Jun 19 – Jul 31
Zone 7a	Feb 4	Apr 1	Apr 8	Jun 10 – Jul 22
Zone 7b	Jan 28	Mar 25	Apr 1	Jun 3 – Jul 15
Zone 8a	Jan 18	Mar 15	Mar 22	May 24 – Jul 5
Zone 8b	Jan 7	Mar 4	Mar 11	May 13 – Jun 24
Zone 9a	Dec 30	Feb 10	Feb 17	Apr 21 – Jun 2
Zone 9b	Dec 14	Jan 25	Feb 1	Apr 5 – May 17
Zone 10a	Nov 20	Jan 1	Jan 8	Mar 12 – Apr 23
Zone 10b	Nov 20	Jan 1	Jan 8	Mar 12 – Apr 23
Zone 11a	Nov 20	Jan 1	Jan 8	Mar 12 – Apr 23
Zone 11b	Nov 20	Jan 1	Jan 8	Mar 12 – Apr 23

How to Plant Bitter Melon

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

60–90 days

Quick-growing crop. Multiple plantings per season are possible.

👪 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.

Succession Planting Bitter Melon

Bitter Melon matures in just 60–90 days, making it ideal for succession planting. In a typical 180-day growing season, you can get up to 3 successive plantings by sowing every 6.9 weeks.

Your actual succession count depends on your local frost dates. Enter your ZIP code to get personalized succession planting dates for your area.

Companion Planting for Bitter Melon

✅ Good Companions

Corn Green Beans

❌ Keep Away From

Potatoes

Check more combinations with our Companion Planting Checker →

Growing Tips for Bitter Melon

Start seeds indoors 4 weeks before last frost. Provide a trellis for climbing. Harvest fruits while still green and firm. Reduce bitterness by salting sliced fruit before cooking.

Saving Bitter 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.

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Bitter Melon by State

Frequently Asked Questions

How long does it take to grow Bitter Melon?

Bitter Melon (Momordica charantia) takes 60 to 90 days from planting to harvest. Exact timing depends on your variety, growing conditions, and USDA zone.

What zones can Bitter Melon grow in?

Bitter 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 Bitter Melon need?

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