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When to Plant Cumin in Coleman County, TX

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.

Coleman County, Texas is in USDA Zone 7b. The average last spring frost is March 17 and the first fall frost is November 16, giving you a growing season of approximately 244 days.

At an elevation of 1,129 feet, Coleman County receives approximately 59.4 inches of rainfall annually with predominantly loam soil. Summer highs average 90ยฐF, providing good warmth for Cumin during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cumin root diseases.

Coleman County, TX (Zone 7b) Long season
244 days
Last Spring Frost March 17
244 growing days
First Fall Frost November 16

Coleman County Soil Profile

Soil Type

Loam

Soil pH

6.3-7.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (87 days to spare)
Start indoors: Feb 1 Transplant: Mar 1 🍅 Harvest: Jun 14 – Aug 16
Recommended (50%) ✓ Fits season (83 days to spare)
Start indoors: Feb 10 Transplant: Mar 10 🍅 Harvest: Jun 23 – Aug 25
Safe Start (90%) ✓ Fits season (80 days to spare)
Start indoors: Mar 4 Transplant: Apr 1 🍅 Harvest: Jul 15 – Sep 16

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.

Soil Compatibility in Coleman County

How your county's soil matches Cumin's growing requirements.

Soil pH

Your soil pH (6.3โ€“7.7) is within Cumin's preferred range (6.0โ€“8.0).

Soil Texture

The loam soil in Coleman County is excellent for Cumin โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.4%). Annual compost additions will help Cumin.

How to Plant Cumin

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Cumin

Cumin needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.

Month Cumin Needs Rainfall You Supplement Action
Jan โ€” 1.4" 0" โ„๏ธ Dormant
Feb โ€” 2.2" 0" โ„๏ธ Dormant
Mar 2.2" 4.3" 0" โœ… Rainfall sufficient
Apr 2.2" 6.4" 0" โœ… Rainfall sufficient
May 2.2" 7.8" 0" โœ… Rainfall sufficient
Jun 2.2" 9.7" 0" โœ… Rainfall sufficient
Jul 2.2" 7.7" 0" โœ… Rainfall sufficient
Aug 2.2" 7.7" 0" โœ… Rainfall sufficient
Sep 2.2" 5.1" 0" โœ… Rainfall sufficient
Oct 2.2" 3.3" 0" โœ… Rainfall sufficient
Nov 2.2" 2" 0.2" ๐Ÿ’ง Light watering
Dec โ€” 1.7" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Marโ€“Nov in Coleman County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Cumin Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" โ€” every day above 50ยฐF deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Cumin needs ~1,925 GDD — county provides 4,270 GDD Excellent fit

Cumin Planting Timeline โ€” Coleman County, TX

Cumin Planting Calendar

Activity When Date Range
Start Indoors February 10 Feb 10 โ€“ Feb 24
Transplant Outdoors March 10 Mar 10 โ€“ Mar 24
Direct Sow March 3 Mar 3 โ€“ Mar 24
Harvest June 23 Jun 23 โ€“ Aug 25
Fall Sowing September 7 Sep 7 โ€“ Sep 21

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

0.5"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

100โ€“120 days

๐Ÿงช Soil pH

Needs 6โ€“8 ยท Your soil: ideal

๐Ÿ—บ๏ธ USDA Zone

Zone 7b

๐Ÿ“† Growing Season

244 days in Coleman County

Growing Tips for Cumin in Coleman County

Direct sow Cumin outdoors after March 17 in Coleman County when soil has warmed and frost danger has passed.

Common pests for Cumin in this region include carrot rust fly and parsleyworm. Use row covers early in the season and inspect plants weekly.

General growing tips

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 Coleman County, TX?

Coleman County is in Zone 7b with an average last frost of March 17. Plan your Cumin planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Coleman County, TX?

Coleman County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 17 and first fall frost is November 16.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Coleman County gardeners in Zone 7b 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 Coleman County, TX. Local conditions may vary. Last updated: April 2026.