When to plant Cauliflower in Flagler County, FL
Plant Cauliflower in Flagler County, when soil hits 50°F — usually January 15. Continue planting through February 5 for the spring crop. A second sowing from October 22 to November 5 extends the harvest into fall.
When to Plant Cauliflower in Flagler County, FL
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.
Flagler County, Florida is in USDA Zone 9b. The average last spring frost is February 5 and the first fall frost is December 17, giving you a growing season of approximately 315 days.
At an elevation of 134 feet, Flagler County receives approximately 54.2 inches of rainfall annually with predominantly sand soil. Summer highs average 99°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.
Flagler County Soil Profile
Soil Type
Sand
Soil pH
6.0-7.0
Drainage
Well Drained
How Much Cauliflower to Grow
For a family of 4, plant approximately 12 cauliflower plants in about 24 sq ft. In Flagler County's 315-day season, you'll have plenty of time for a full harvest. Plan your garden layout →
Cauliflower Planting Timeline — Flagler County, FL
Cauliflower Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 8 | Jan 8 – Jan 22 |
| Transplant Outdoors | February 5 | Feb 5 – Feb 19 |
| Direct Sow | January 15 | Jan 15 – Feb 5 |
| Harvest | April 2 | Apr 2 – Jun 4 |
| Fall Sowing | October 22 | Oct 22 – Nov 5 |
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 | Fall Sowing |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
High — keep soil consistently moist
📅 Days to Maturity
55–100 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 9b
📆 Growing Season
315 days in Flagler County
Growing Tips for Flagler 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
Check more plant combinations with our Companion Planting Checker →
Cauliflower in Other Locations
Frequently Asked Questions
When should I plant Cauliflower in Flagler County, FL?
Flagler County is in Zone 9b with an average last frost of February 5. Plan your Cauliflower planting based on this frost date — see the calendar above for exact timing.
What planting zone is Flagler County, FL?
Flagler County, Florida is in USDA Hardiness Zone 9b. The average last spring frost is February 5 and first fall frost is December 17.
When should I plant Cauliflower in Flagler County, FL?
In Flagler County, FL, plant Cauliflower after the last frost (around February 5) and before the first frost (around December 17). Best results when soil holds above 50°F.
What growing zone is Flagler County, FL for Cauliflower?
Flagler County sits in USDA Zone 9b. Cauliflower grows reliably in zones 2a through 10b, so it's a good fit here.
Can Cauliflower grow in Flagler County's climate?
Yes — Cauliflower grows well in Flagler County's temperate climate. Flagler County averages a 316-day frost-free season, with last frost around February 5 and first frost around December 17.
Your Flagler County Garden Planner — Free
A 22-page printable planner built for Flagler County (Zone 9b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.