Blog

When to Plant Bitter Melon in Scott County, MO

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.

Scott County, Missouri is in USDA Zone 6b. The average last spring frost is April 9 and the first fall frost is October 24, giving you a growing season of approximately 198 days.

At an elevation of 880 feet, Scott County receives approximately 34.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85ยฐF, providing good warmth for Bitter Melon during the growing season.

Scott County, MO (Zone 6b) Moderate season
198 days
Last Spring Frost April 9
198 growing days
First Fall Frost October 24

Scott County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (77 days to spare)
Start indoors: Feb 7 Transplant: Apr 18 🍅 Harvest: Jun 20 – Aug 1
Recommended (50%) ✓ Fits season (79 days to spare)
Start indoors: Feb 12 Transplant: Apr 23 🍅 Harvest: Jun 25 – Aug 6
Safe Start (90%) ✓ Fits season (77 days to spare)
Start indoors: Feb 26 Transplant: May 7 🍅 Harvest: Jul 9 – Aug 20

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
0.7″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Bitter Melon needs ~1,031 GDD — county provides 2,722 GDD Excellent fit

Bitter Melon Planting Timeline โ€” Scott County, MO

Bitter Melon Planting Calendar

Activity When Date Range
Start Indoors February 12 Feb 12 โ€“ Feb 26
Transplant Outdoors April 23 Apr 23 โ€“ May 7
Direct Sow April 16 Apr 16 โ€“ May 7
Harvest June 25 Jun 25 โ€“ Aug 6

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March โ€”
April Transplant Outdoors Direct Sow
May Transplant Outdoors Direct Sow
June Harvest
July Harvest
August Harvest
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 6b

Growing Season

198 days

Growing Tips for Scott 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 Scott County, MO?

Scott County is in Zone 6b with an average last frost of April 9. Plan your Bitter Melon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Scott County, MO?

Scott County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is April 9 and first fall frost is October 24.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Scott County gardeners in Zone 6b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Scott County, MO. Local conditions may vary. Last updated: April 2026.