When to plant Cauliflower in Johnson County, AR
Spring Cauliflower in Johnson County goes in March 12–April 2, once nighttime temps stop dipping near freezing. A second sowing from August 25 to September 8 extends the harvest into fall.
When to Plant Cauliflower in Johnson 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.
Johnson County, Arkansas is in USDA Zone 8a. The average last spring frost is March 26 and the first fall frost is November 3, giving you a growing season of approximately 222 days.
At an elevation of 1,347 feet, Johnson County receives approximately 49.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Cauliflower during the growing season.
Johnson County Soil Profile
Soil Type
Silt Loam
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 Johnson County's 222-day season, you'll have plenty of time for a full harvest. Plan your garden layout →
Cauliflower Planting Timeline — Johnson County, AR
Cauliflower Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 19 | Feb 19 – Mar 5 |
| Transplant Outdoors | March 26 | Mar 26 – Apr 9 |
| Direct Sow | March 12 | Mar 12 – Apr 2 |
| Harvest | May 21 | May 21 – Jul 23 |
| Fall Sowing | August 25 | Aug 25 – Sep 8 |
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 Direct Sow |
| 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
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 8a
📆 Growing Season
222 days in Johnson County
Growing Tips for Johnson 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 Johnson County, AR?
Johnson County is in Zone 8a with an average last frost of March 26. Plan your Cauliflower planting based on this frost date — see the calendar above for exact timing.
What planting zone is Johnson County, AR?
Johnson County, Arkansas is in USDA Hardiness Zone 8a. The average last spring frost is March 26 and first fall frost is November 3.
When should I plant Cauliflower in Johnson County, AR?
In Johnson County, AR, plant Cauliflower after the last frost (around March 26) and before the first frost (around November 3). Best results when soil holds above 50°F.
What growing zone is Johnson County, AR for Cauliflower?
Johnson County sits in USDA Zone 8a. Cauliflower grows reliably in zones 2a through 10b, so it's a good fit here.
Can Cauliflower grow in Johnson County's climate?
Yes — Cauliflower grows well in Johnson County's temperate climate. Johnson County averages a 222-day frost-free season, with last frost around March 26 and first frost around November 3.
Your Johnson County Garden Planner — Free
A 22-page printable planner built for Johnson County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.