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When to Plant Cauliflower in Coleman County, TX

Cauliflower

Cauliflower is a cool-season brassica that produces dense white, purple, or green heads called curds. It is more finicky than broccoli but rewards with a mild, nutty flavor.

Coleman County, Texas is in USDA Zone 8a. 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 90°F, providing good warmth for Cauliflower during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cauliflower root diseases.

Coleman County, TX (Zone 8a) 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

How Much Cauliflower to Grow

1-2 lbs
Average yield per plant
3
Plants per person
6 sq ft
Space per person

For a family of 4, plant approximately 12 cauliflower plants in about 24 sq ft. In Coleman County's 244-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Monthly Watering Guide for Cauliflower

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

Month Cauliflower Needs Rainfall You Supplement Action
Jan 1.4" 0" ❄️ Dormant
Feb 2.2" 0" ❄️ Dormant
Mar 4.3" 4.3" 0" ✅ Rainfall sufficient
Apr 4.3" 6.4" 0" ✅ Rainfall sufficient
May 4.3" 7.8" 0" ✅ Rainfall sufficient
Jun 4.3" 9.7" 0" ✅ Rainfall sufficient
Jul 4.3" 7.7" 0" ✅ Rainfall sufficient
Aug 4.3" 7.7" 0" ✅ Rainfall sufficient
Sep 4.3" 5.1" 0" ✅ Rainfall sufficient
Oct 4.3" 3.3" 1" 💧 Light watering
Nov 4.3" 2" 2.3" 🚿 Regular watering
Dec 1.7" 0" ❄️ Dormant

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

Cauliflower Planting Timeline — Coleman County, TX

Cauliflower Planting Calendar

Activity When Date Range
Start Indoors February 10 Feb 10 – Feb 24
Transplant Outdoors March 17 Mar 17 – Mar 31
Direct Sow March 3 Mar 3 – Mar 24
Harvest May 12 May 12 – Jul 14
Fall Sowing September 7 Sep 7 – Sep 21

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

High — keep soil consistently moist

📅 Days to Maturity

55–100 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 8a

📆 Growing Season

244 days in Coleman County

Growing Tips for Coleman County

Start seeds indoors 6 weeks before transplanting. Blanch white varieties by tying outer leaves over the head. Provide consistent moisture and avoid temperature extremes.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Strawberries

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cauliflower in Coleman County, TX?

Coleman County is in Zone 8a with an average last frost of March 17. Plan your Cauliflower planting based on this frost date — see the calendar above for exact timing.

What planting zone is Coleman County, TX?

Coleman County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 17 and first fall frost is November 16.

🌱

Your Coleman County Garden Planner — Free

A 22-page printable planner built for Coleman County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

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: August 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.