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When to Plant Cauliflower in Madison County, TX

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.

Madison County, Texas is in USDA Zone 8b. The average last spring frost is March 5 and the first fall frost is November 20, giving you a growing season of approximately 260 days.

At an elevation of 122 feet, Madison County receives approximately 57.5 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 91Β°F, providing good warmth for Cauliflower during the growing season. Sandy soil warms quickly in spring β€” great for early planting β€” but Cauliflower will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cauliflower root diseases.

Madison County, TX (Zone 8b) Long season
260 days
Last Spring Frost March 5
260 growing days
First Fall Frost November 20

Madison County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.5-6.5

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 Madison County's 260-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 β€” 1.4" 0" ❄️ Dormant
Feb β€” 2.1" 0" ❄️ Dormant
Mar 4.3" 3.2" 1.1" πŸ’§ Light watering
Apr 4.3" 6.6" 0" βœ… Rainfall sufficient
May 4.3" 9.1" 0" βœ… Rainfall sufficient
Jun 4.3" 9.8" 0" βœ… Rainfall sufficient
Jul 4.3" 6.8" 0" βœ… Rainfall sufficient
Aug 4.3" 6.9" 0" βœ… Rainfall sufficient
Sep 4.3" 4.8" 0" βœ… Rainfall sufficient
Oct 4.3" 3.5" 0.8" πŸ’§ Light watering
Nov 4.3" 1.9" 2.4" 🚿 Regular watering
Dec β€” 1.3" 0" ❄️ Dormant

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

Cauliflower Planting Timeline β€” Madison County, TX

Cauliflower Planting Calendar

Activity When Date Range
Start Indoors January 29 Jan 29 – Feb 12
Transplant Outdoors March 5 Mar 5 – Mar 19
Direct Sow February 19 Feb 19 – Mar 12
Harvest April 30 Apr 30 – Jul 2
Fall Sowing September 11 Sep 11 – Sep 25

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

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

High β€” keep soil consistently moist

πŸ“… Days to Maturity

55–100 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8b

πŸ“† Growing Season

260 days in Madison County

Growing Tips for Madison 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 Madison County, TX?

Madison County is in Zone 8b with an average last frost of March 5. Plan your Cauliflower planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Madison County, TX?

Madison County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 5 and first fall frost is November 20.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Madison County gardeners in Zone 8b 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 Madison County, TX. Local conditions may vary. Last updated: April 2026.