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When to Plant Cauliflower in Sequoyah County, OK

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.

Sequoyah County, Oklahoma is in USDA Zone 7a. The average last spring frost is March 28 and the first fall frost is November 4, giving you a growing season of approximately 221 days.

At an elevation of 786 feet, Sequoyah County receives approximately 32.8 inches of rainfall annually with predominantly loam soil. Summer highs average 90Β°F, providing good warmth for Cauliflower during the growing season.

Sequoyah County, OK (Zone 7a) Long season
221 days
Last Spring Frost March 28
221 growing days
First Fall Frost November 4

Sequoyah County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.3

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 Sequoyah County's 221-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€” 0.9" 0" ❄️ Dormant
Feb β€” 1.2" 0" ❄️ Dormant
Mar 4.3" 1.8" 2.5" 🚿 Regular watering
Apr 4.3" 3.4" 0.9" πŸ’§ Light watering
May 4.3" 4.8" 0" βœ… Rainfall sufficient
Jun 4.3" 5.3" 0" βœ… Rainfall sufficient
Jul 4.3" 3.8" 0.5" πŸ’§ Light watering
Aug 4.3" 4.2" 0.1" πŸ’§ Light watering
Sep 4.3" 2.8" 1.5" πŸ’§ Light watering
Oct 4.3" 2.4" 1.9" πŸ’§ Light watering
Nov 4.3" 1.2" 3.1" 🚿 Regular watering
Dec β€” 0.9" 0" ❄️ Dormant

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

Cauliflower Planting Timeline β€” Sequoyah County, OK

Cauliflower Planting Calendar

Activity When Date Range
Start Indoors February 21 Feb 21 – Mar 7
Transplant Outdoors March 28 Mar 28 – Apr 11
Direct Sow March 14 Mar 14 – Apr 4
Harvest May 23 May 23 – Jul 25
Fall Sowing August 26 Aug 26 – Sep 9

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

Month-by-Month Timeline

MonthActivities
January β€”
February Start Indoors
March Start Indoors Transplant Outdoors Direct Sow
April Transplant Outdoors Direct Sow
May Harvest
June Harvest
July Harvest
August Fall Sowing
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 7a

πŸ“† Growing Season

221 days in Sequoyah County

Growing Tips for Sequoyah 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 Sequoyah County, OK?

Sequoyah County is in Zone 7a with an average last frost of March 28. Plan your Cauliflower planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Sequoyah County, OK?

Sequoyah County, Oklahoma is in USDA Hardiness Zone 7a. The average last spring frost is March 28 and first fall frost is November 4.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Sequoyah County gardeners in Zone 7a 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 Sequoyah County, OK. Local conditions may vary. Last updated: April 2026.