When to Plant Cauliflower in Hot Spring 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.
Hot Spring County, Arkansas is in USDA Zone 7b. The average last spring frost is March 23 and the first fall frost is November 9, giving you a growing season of approximately 231 days.
At an elevation of 754 feet, Hot Spring County receives approximately 50 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Cauliflower during the growing season.
Hot Spring County Soil Profile
Soil Type
Silt Loam
Soil pH
5.4-6.9
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 — Hot Spring County, AR
Cauliflower Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 16 | Feb 16 – Mar 2 |
| Transplant Outdoors | March 23 | Mar 23 – Apr 6 |
| Direct Sow | March 9 | Mar 9 – Mar 30 |
| Fall Sowing | August 31 | Aug 31 – Sep 14 |
| Harvest | May 18 | May 18 – Jul 20 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors 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
231 days
Growing Tips for Hot Spring 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 Hot Spring County, AR?
Hot Spring County is in Zone 7b with an average last frost of March 23. Plan your Cauliflower planting based on this frost date — see the calendar above for exact timing.
What planting zone is Hot Spring County, AR?
Hot Spring County, Arkansas is in USDA Hardiness Zone 7b. The average last spring frost is March 23 and first fall frost is November 9.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Hot Spring County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.
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