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When to Plant Hot Peppers in Madison County, IN

Hot peppers range from mildly spicy jalapenos to scorching superhots. They require long, warm growing seasons and produce capsaicin that gives them their heat.

Madison County, Indiana is in USDA Zone 5b. The average last spring frost is April 23 and the first fall frost is October 17, giving you a growing season of approximately 177 days.

At an elevation of 901 feet, Madison County receives approximately 32.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85ยฐF, providing good warmth for Hot Peppers during the growing season.

Madison County, IN (Zone 5b) Moderate season
177 days
Last Spring Frost April 23
177 growing days
First Fall Frost October 17

Madison County Soil Profile

Soil Type

Silt Loam

Soil pH

6-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Start indoors: Feb 4 Transplant: Apr 29 🍅 Harvest: Jul 8 – Oct 14
Recommended (50%) ✗ May not fit
Start indoors: Feb 12 Transplant: May 7 🍅 Harvest: Jul 16 – Oct 22
Safe Start (90%) ✗ May not fit
Start indoors: Feb 28 Transplant: May 23 🍅 Harvest: Aug 1 – Nov 7

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
0.3″/week
Watering frequency Only during dry spells
Season total 433 gal / 100 sq ft
Drought risk

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

Hot Peppers needs ~1,306 GDD — county provides 2,433 GDD Excellent fit

Hot Peppers Planting Timeline โ€” Madison County, IN

Hot Peppers Planting Calendar

Activity When Date Range
Start Indoors February 12 Feb 12 โ€“ Feb 26
Transplant Outdoors May 7 May 7 โ€“ May 21
Direct Sow April 30 Apr 30 โ€“ May 21
Harvest July 16 Jul 16 โ€“ Oct 22

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

70โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 5b

Growing Season

177 days

Growing Tips for Madison County

Start seeds indoors 10-12 weeks before last frost as they germinate slowly. Use heat mats to maintain 80-85F soil temperature for germination. Stress plants slightly by reducing water to increase heat levels.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel
  • Kohlrabi

Level Up Your Garden

Frequently Asked Questions

When should I plant Hot Peppers in Madison County, IN?

Madison County is in Zone 5b with an average last frost of April 23. Plan your Hot Peppers planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Madison County, IN?

Madison County, Indiana is in USDA Hardiness Zone 5b. The average last spring frost is April 23 and first fall frost is October 17.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Madison County gardeners in Zone 5b 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 Madison County, IN. Local conditions may vary. Last updated: April 2026.