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When to plant Cumin in Porter County, IN

Porter County sits in USDA Zone 6a. Plant Cumin between April 11 (after last frost on April 25) and May 2. A second sowing from August 15 to August 29 extends the harvest into fall.

When to Plant Cumin in Porter 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.

Porter County, Indiana is in USDA Zone 6a. The average last spring frost is April 25 and the first fall frost is October 24, giving you a growing season of approximately 182 days.

At an elevation of 691 feet, Porter County receives approximately 35.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Cumin to ensure they mature before fall.

Porter County, IN (Zone 6a) Moderate season
182 days
Last Spring Frost April 25
182 growing days
First Fall Frost October 24

Porter County Soil Profile

Soil Type

Silt Loam

Soil pH

6.3-7.1

Drainage

Well Drained

Monthly Watering Guide for Cumin

Cumin needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Cumin Needs Rainfall You Supplement Action
Jan 1.6" 0" ❄️ Dormant
Feb 1.7" 0" ❄️ Dormant
Mar 2.5" 0" ❄️ Dormant
Apr 4.3" 3.1" 1.2" 💧 Light watering
May 4.3" 3.6" 0.7" 💧 Light watering
Jun 4.3" 4.1" 0.2" 💧 Light watering
Jul 4.3" 4.1" 0.2" 💧 Light watering
Aug 4.3" 3.8" 0.5" 💧 Light watering
Sep 4.3" 3.3" 1" 💧 Light watering
Oct 4.3" 2.6" 1.7" 💧 Light watering
Nov 2.7" 0" ❄️ Dormant
Dec 2.1" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Porter County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Cumin Planting Timeline — Porter County, IN

Cumin Planting Calendar

Activity When Date Range
Start Indoors March 21 Mar 21 – Apr 4
Transplant Outdoors April 18 Apr 18 – May 2
Direct Sow April 11 Apr 11 – May 2
Harvest August 1 Aug 1 – Oct 3
Fall Sowing August 15 Aug 15 – Aug 29

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

100–120 days

🧪 Soil pH

Needs 6–8 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

182 days in Porter County

Growing Tips for Porter 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cumin in Porter County, IN?

Porter County is in Zone 6a with an average last frost of April 25. Plan your Cumin planting based on this frost date — see the calendar above for exact timing.

What planting zone is Porter County, IN?

Porter County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 25 and first fall frost is October 24.

When should I plant Cumin in Porter County, IN?

In Porter County, IN, plant Cumin after the last frost (around April 25) and before the first frost (around October 24). Best results when soil holds above 50°F.

What growing zone is Porter County, IN for Cumin?

Porter County sits in USDA Zone 6a. Cumin grows reliably in zones 5a through 11b, so it's a good fit here.

Can Cumin grow in Porter County's climate?

Yes — Cumin grows well in Porter County's temperate climate. Porter County averages a 182-day frost-free season, with last frost around April 25 and first frost around October 24.

🌱

Your Porter County Garden Planner — Free

A 22-page printable planner built for Porter County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Porter County, IN. Local conditions may vary. Last updated: July 2026.

Sources & credits

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