When to Plant Cauliflower in Kane County, UT
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.
Kane County, Utah is in USDA Zone 6a. The average last spring frost is May 13 and the first fall frost is October 7, giving you a growing season of approximately 147 days.
At an elevation of 5,900 feet, Kane County receives approximately 19.5 inches of rainfall annually with predominantly loam soil. Summer highs average 90°F, providing good warmth for Cauliflower during the growing season. With low rainfall, drip irrigation is essential for growing Cauliflower successfully. Mulch heavily to conserve soil moisture.
Kane County Soil Profile
Soil Type
Loam
Soil pH
6.2-8.1
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 — Kane County, UT
Cauliflower Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | April 8 | Apr 8 – Apr 22 |
| Transplant Outdoors | May 13 | May 13 – May 27 |
| Direct Sow | April 29 | Apr 29 – May 20 |
| Fall Sowing | July 29 | Jul 29 – Aug 12 |
| Harvest | July 8 | Jul 8 – Sep 9 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Start Indoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Fall Sowing Harvest |
| August | Fall Sowing Harvest |
| September | Harvest |
| 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 6a
Growing Season
147 days
Growing Tips for Kane 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 Kane County, UT?
Kane County is in Zone 6a with an average last frost of May 13. Plan your Cauliflower planting based on this frost date — see the calendar above for exact timing.
What planting zone is Kane County, UT?
Kane County, Utah is in USDA Hardiness Zone 6a. The average last spring frost is May 13 and first fall frost is October 7.
Plan Your Garden with Confidence
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