Blog

When to Plant Cauliflower in Webster Parish, LA

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.

Webster Parish, Louisiana is in USDA Zone 8a. The average last spring frost is March 21 and the first fall frost is November 10, giving you a growing season of approximately 234 days.

At an elevation of 138 feet, Webster Parish receives approximately 57 inches of rainfall annually with predominantly loam soil. Summer highs average 94Β°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.

Webster Parish, LA (Zone 8a) Long season
234 days
Last Spring Frost March 21
234 growing days
First Fall Frost November 10

Webster Parish Soil Profile

Soil Type

Loam

Soil pH

5.8-6.7

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 Webster Parish's 234-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€” 4.5" 0" ❄️ Dormant
Feb β€” 5.1" 0" ❄️ Dormant
Mar 4.3" 5.5" 0" βœ… Rainfall sufficient
Apr 4.3" 4.6" 0" βœ… Rainfall sufficient
May 4.3" 4.1" 0.2" πŸ’§ Light watering
Jun 4.3" 5.8" 0" βœ… Rainfall sufficient
Jul 4.3" 5.9" 0" βœ… Rainfall sufficient
Aug 4.3" 5" 0" βœ… Rainfall sufficient
Sep 4.3" 4.2" 0.1" πŸ’§ Light watering
Oct 4.3" 3.7" 0.6" πŸ’§ Light watering
Nov 4.3" 4.4" 0" βœ… Rainfall sufficient
Dec β€” 4.3" 0" ❄️ Dormant

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

Cauliflower Planting Timeline β€” Webster Parish, LA

Cauliflower Planting Calendar

Activity When Date Range
Start Indoors February 14 Feb 14 – Feb 28
Transplant Outdoors March 21 Mar 21 – Apr 4
Direct Sow March 7 Mar 7 – Mar 28
Harvest May 16 May 16 – Jul 18
Fall Sowing September 1 Sep 1 – Sep 15

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

Month-by-Month Timeline

MonthActivities
January β€”
February Start Indoors
March Transplant Outdoors Direct Sow
April Transplant Outdoors
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 8a

πŸ“† Growing Season

234 days in Webster Parish

Growing Tips for Webster Parish

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 Webster Parish, LA?

Webster Parish is in Zone 8a with an average last frost of March 21. Plan your Cauliflower planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Webster Parish, LA?

Webster Parish, Louisiana is in USDA Hardiness Zone 8a. The average last spring frost is March 21 and first fall frost is November 10.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Webster Parish gardeners in Zone 8a 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 Webster Parish, LA. Local conditions may vary. Last updated: April 2026.