When to Plant Cauliflower in Prairie County, AR
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.
Prairie County, Arkansas is in USDA Zone 7b. The average last spring frost is March 19 and the first fall frost is November 8, giving you a growing season of approximately 234 days.
At an elevation of 1,026 feet, Prairie County receives approximately 51.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°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.
Prairie County Soil Profile
Soil Type
Silt Loam
Soil pH
5.5-6.8
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 — Prairie County, AR
Cauliflower Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 12 | Feb 12 – Feb 26 |
| Transplant Outdoors | March 19 | Mar 19 – Apr 2 |
| Direct Sow | March 5 | Mar 5 – Mar 26 |
| Fall Sowing | August 30 | Aug 30 – Sep 13 |
| Harvest | May 14 | May 14 – Jul 16 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Transplant Outdoors Direct Sow |
| April | Transplant Outdoors |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | Fall Sowing |
| October | — |
| 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 7b
Growing Season
234 days
Growing Tips for Prairie 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 Prairie County, AR?
Prairie County is in Zone 7b with an average last frost of March 19. Plan your Cauliflower planting based on this frost date — see the calendar above for exact timing.
What planting zone is Prairie County, AR?
Prairie County, Arkansas is in USDA Hardiness Zone 7b. The average last spring frost is March 19 and first fall frost is November 8.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Prairie County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.
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