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When to Plant Cauliflower in San Saba 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.

San Saba County, Texas is in USDA Zone 8a. The average last spring frost is March 19 and the first fall frost is November 14, giving you a growing season of approximately 240 days.

At an elevation of 3,436 feet, San Saba County receives approximately 60.8 inches of rainfall annually with predominantly loam soil. Summer highs average 93ยฐF, providing good warmth for Cauliflower during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cauliflower root diseases.

San Saba County, TX (Zone 8a) Long season
240 days
Last Spring Frost March 19
240 growing days
First Fall Frost November 14

San Saba County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (127 days to spare)
Start indoors: Feb 1 Transplant: Mar 8 🍅 Harvest: May 3 – Jul 5
Recommended (50%) ✓ Fits season (121 days to spare)
Start indoors: Feb 12 Transplant: Mar 19 🍅 Harvest: May 14 – Jul 16
Safe Start (90%) ✓ Fits season (114 days to spare)
Start indoors: Mar 8 Transplant: Apr 12 🍅 Harvest: Jun 7 – Aug 9

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
1.1″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 931 gal / 100 sq ft
Cauliflower needs ~1,531 GDD — county provides 4,740 GDD Excellent fit

Cauliflower Planting Timeline โ€” San Saba County, TX

Cauliflower Planting Calendar

Activity When Date Range
Start Indoors February 12 Feb 12 โ€“ Feb 26
Transplant Outdoors March 19 Mar 19 โ€“ Apr 2
Direct Sow March 5 Mar 5 โ€“ Mar 26
Fall Sowing September 5 Sep 5 โ€“ Sep 19
Harvest May 14 May 14 โ€“ Jul 16

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

High โ€” keep soil consistently moist

Days to Maturity

55โ€“100 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8a

Growing Season

240 days

Growing Tips for San Saba 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

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Frequently Asked Questions

When should I plant Cauliflower in San Saba County, TX?

San Saba County is in Zone 8a with an average last frost of March 19. Plan your Cauliflower planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is San Saba County, TX?

San Saba County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 19 and first fall frost is November 14.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help San Saba County gardeners in Zone 8a 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 San Saba County, TX. Local conditions may vary. Last updated: April 2026.