When to Plant Cauliflower in Phillips 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.
Phillips County, Arkansas is in USDA Zone 7b. The average last spring frost is March 14 and the first fall frost is November 12, giving you a growing season of approximately 243 days.
At an elevation of 678 feet, Phillips County receives approximately 50 inches of rainfall annually with predominantly silt loam soil. Summer highs average 93°F, providing good warmth for Cauliflower during the growing season.
Phillips County Soil Profile
Soil Type
Silt Loam
Soil pH
5.6-6.7
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
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Cauliflower Planting Timeline — Phillips County, AR
Cauliflower Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 7 | Feb 7 – Feb 21 |
| Transplant Outdoors | March 14 | Mar 14 – Mar 28 |
| Direct Sow | February 28 | Feb 28 – Mar 21 |
| Fall Sowing | September 3 | Sep 3 – Sep 17 |
| Harvest | May 9 | May 9 – Jul 11 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors Direct Sow |
| March | Transplant Outdoors Direct Sow |
| April | — |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | — |
| 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
243 days
Growing Tips for Phillips 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 Phillips County, AR?
Phillips County is in Zone 7b with an average last frost of March 14. Plan your Cauliflower planting based on this frost date — see the calendar above for exact timing.
What planting zone is Phillips County, AR?
Phillips County, Arkansas is in USDA Hardiness Zone 7b. The average last spring frost is March 14 and first fall frost is November 12.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Phillips County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.
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