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When to Plant Cumin in Willacy 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.

Willacy County, Texas is in USDA Zone 9b. The average last spring frost is February 4 and the first fall frost is December 22, giving you a growing season of approximately 321 days.

At an elevation of 1,085 feet, Willacy County receives approximately 65.9 inches of rainfall annually with predominantly loam soil. Summer highs average 102Β°F, so Cumin may need afternoon shade and extra watering during peak heat. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cumin root diseases.

Willacy County, TX (Zone 9b) Year-round
321 days
Last Spring Frost February 4
321 growing days
First Fall Frost December 22

Willacy County Soil Profile

Soil Type

Loam

Soil pH

6.5-7.3

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 β€” 1.7" 0" ❄️ Dormant
Feb 4.3" 2.3" 2" πŸ’§ Light watering
Mar 4.3" 4.4" 0" βœ… Rainfall sufficient
Apr 4.3" 6.4" 0" βœ… Rainfall sufficient
May 4.3" 9.5" 0" βœ… Rainfall sufficient
Jun 4.3" 9.7" 0" βœ… Rainfall sufficient
Jul 4.3" 9" 0" βœ… Rainfall sufficient
Aug 4.3" 8.5" 0" βœ… Rainfall sufficient
Sep 4.3" 6.3" 0" βœ… Rainfall sufficient
Oct 4.3" 3.8" 0.5" πŸ’§ Light watering
Nov 4.3" 2.6" 1.7" πŸ’§ Light watering
Dec 4.3" 1.8" 2.5" 🚿 Regular watering

Water needs are for active growing months only (Feb–Dec in Willacy County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Cumin Planting Timeline β€” Willacy County, TX

Cumin Planting Calendar

Activity When Date Range
Start Indoors January 7 Jan 7 – Jan 21
Transplant Outdoors January 28 Jan 28 – Feb 11
Direct Sow January 14 Jan 14 – Feb 4
Harvest May 13 May 13 – Jul 15
Fall Sowing October 27 Oct 27 – Nov 10

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

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Low β€” drought tolerant

πŸ“… Days to Maturity

100–120 days

πŸ§ͺ Soil pH

Needs 6–8 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 9b

πŸ“† Growing Season

321 days in Willacy County

Growing Tips for Willacy 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 Willacy County, TX?

Willacy County is in Zone 9b with an average last frost of February 4. Plan your Cumin planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Willacy County, TX?

Willacy County, Texas is in USDA Hardiness Zone 9b. The average last spring frost is February 4 and first fall frost is December 22.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Willacy County gardeners in Zone 9b 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 Willacy County, TX. Local conditions may vary. Last updated: April 2026.