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When to Plant Bitter Melon in Simpson County, MS

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.

Simpson County, Mississippi is in USDA Zone 8a. The average last spring frost is March 10 and the first fall frost is November 15, giving you a growing season of approximately 250 days.

At an elevation of 90 feet, Simpson County receives approximately 48.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97ยฐF, so Bitter Melon may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Bitter Melon, but amend with compost to improve drainage and prevent root rot.

Simpson County, MS (Zone 8a) Long season
250 days
Last Spring Frost March 10
250 growing days
First Fall Frost November 15

Simpson County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (132 days to spare)
Start indoors: Jan 13 Transplant: Mar 17 🍅 Harvest: May 19 – Jun 30
Recommended (50%) ✓ Fits season (131 days to spare)
Start indoors: Jan 20 Transplant: Mar 24 🍅 Harvest: May 26 – Jul 7
Safe Start (90%) ✓ Fits season (126 days to spare)
Start indoors: Feb 9 Transplant: Apr 13 🍅 Harvest: Jun 15 – Jul 27

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
0.8″/week
You supply
0.2″/week
Watering frequency Only during dry spells
Season total 499 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Bitter Melon needs ~1,706 GDD — county provides 5,687 GDD Excellent fit

Bitter Melon Planting Timeline โ€” Simpson County, MS

Bitter Melon Planting Calendar

Activity When Date Range
Start Indoors January 20 Jan 20 โ€“ Feb 3
Transplant Outdoors March 24 Mar 24 โ€“ Apr 7
Direct Sow March 17 Mar 17 โ€“ Apr 7
Harvest May 26 May 26 โ€“ Jul 7

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“90 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8a

Growing Season

250 days

Growing Tips for Simpson County

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.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Bitter Melon in Simpson County, MS?

Simpson County is in Zone 8a with an average last frost of March 10. Plan your Bitter Melon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Simpson County, MS?

Simpson County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 10 and first fall frost is November 15.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Simpson County gardeners in Zone 8a 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 Simpson County, MS. Local conditions may vary. Last updated: April 2026.