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When to Plant Cumin in Fountain County, IN

Cumin is a warm-season annual herb whose seeds are one of the most widely used spices globally. It requires a long, hot growing season of 3-4 months.

Fountain County, Indiana is in USDA Zone 5b. The average last spring frost is April 16 and the first fall frost is October 17, giving you a growing season of approximately 184 days.

At an elevation of 1,088 feet, Fountain County receives approximately 30.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85ยฐF, providing good warmth for Cumin during the growing season.

Fountain County, IN (Zone 5b) Moderate season
184 days
Last Spring Frost April 16
184 growing days
First Fall Frost October 17

Fountain County Soil Profile

Soil Type

Silt Loam

Soil pH

6.1-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (20 days to spare)
Start indoors: Mar 9 Transplant: Apr 6 🍅 Harvest: Jul 20 – Sep 21
Recommended (50%) ✓ Fits season (23 days to spare)
Start indoors: Mar 12 Transplant: Apr 9 🍅 Harvest: Jul 23 – Sep 24
Safe Start (90%) ✓ Fits season (17 days to spare)
Start indoors: Mar 30 Transplant: Apr 27 🍅 Harvest: Aug 10 – Oct 12

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
0.5″/week
Rainfall provides
0.7″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Cumin needs ~1,512 GDD — county provides 2,530 GDD Excellent fit

Cumin Planting Timeline โ€” Fountain County, IN

Cumin Planting Calendar

Activity When Date Range
Start Indoors March 12 Mar 12 โ€“ Mar 26
Transplant Outdoors April 9 Apr 9 โ€“ Apr 23
Direct Sow April 2 Apr 2 โ€“ Apr 23
Fall Sowing August 8 Aug 8 โ€“ Aug 22
Harvest July 23 Jul 23 โ€“ Sep 24

Plant 0.5" deep ยท 8" apart ยท Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

100โ€“120 days

Soil pH

6 โ€“ 8

USDA Zone

Zone 5b

Growing Season

184 days

Growing Tips for Fountain County

Start seeds indoors 4 weeks before last frost. Transplant after all danger of frost. Harvest when seed heads turn brown. Requires consistent warmth for proper seed development.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Level Up Your Garden

Frequently Asked Questions

When should I plant Cumin in Fountain County, IN?

Fountain County is in Zone 5b with an average last frost of April 16. Plan your Cumin planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Fountain County, IN?

Fountain County, Indiana is in USDA Hardiness Zone 5b. The average last spring frost is April 16 and first fall frost is October 17.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Fountain 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 Fountain County, IN. Local conditions may vary. Last updated: April 2026.