When to Plant Cauliflower in Fort Bend 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.
Fort Bend County, Texas is in USDA Zone 9a. The average last spring frost is February 14 and the first fall frost is December 8, giving you a growing season of approximately 297 days.
At an elevation of 90 feet, Fort Bend County receives approximately 70.9 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 95°F, so Cauliflower may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — 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.
Fort Bend County Soil Profile
Soil Type
Sandy Loam
Soil pH
5.3-6.4
Drainage
Well Drained
Plant Planting Risk Windows
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
Cauliflower Planting Timeline — Fort Bend County, TX
Cauliflower Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 17 | Jan 17 – Jan 31 |
| Transplant Outdoors | February 14 | Feb 14 – Feb 28 |
| Direct Sow | January 24 | Jan 24 – Feb 14 |
| Fall Sowing | October 13 | Oct 13 – Oct 27 |
| Harvest | April 11 | Apr 11 – Jun 13 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors Direct Sow |
| February | Transplant Outdoors Direct Sow |
| March | — |
| April | Harvest |
| May | Harvest |
| June | Harvest |
| July | — |
| August | — |
| September | — |
| October | Fall Sowing |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
High — keep soil consistently moist
Days to Maturity
55–100 days
Soil pH
6 – 7
USDA Zone
Zone 9a
Growing Season
297 days
Growing Tips for Fort Bend 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
Level Up Your Garden
Cauliflower in Other Locations
Frequently Asked Questions
When should I plant Cauliflower in Fort Bend County, TX?
Fort Bend County is in Zone 9a with an average last frost of February 14. Plan your Cauliflower planting based on this frost date — see the calendar above for exact timing.
What planting zone is Fort Bend County, TX?
Fort Bend County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 14 and first fall frost is December 8.
Plan Your Garden with Confidence
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