When to Plant Eggplant in Sevier County, UT
Eggplant is a heat-loving solanaceous crop that produces glossy fruits in purple, white, or striped varieties. It requires long, warm growing seasons for best production.
Sevier County, Utah is in USDA Zone 5b. The average last spring frost is May 19 and the first fall frost is September 30, giving you a growing season of approximately 134 days.
At an elevation of 8,049 feet, Sevier County receives approximately 20.6 inches of rainfall annually with predominantly loam soil. Summer highs average 88°F, providing good warmth for Eggplant during the growing season.
Sevier County Soil Profile
Soil Type
Loam
Soil pH
6.4-8
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
Water stress score is 8/10 — consider drought-tolerant varieties and mulching
Eggplant Planting Timeline — Sevier County, UT
Eggplant Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 10 | Mar 10 – Mar 24 |
| Transplant Outdoors | June 2 | Jun 2 – Jun 16 |
| Direct Sow | May 26 | May 26 – Jun 16 |
| Harvest | August 11 | Aug 11 – Oct 13 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | — |
| May | Direct Sow |
| June | Transplant Outdoors Direct Sow |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
65–85 days
Soil pH
5.5 – 7
USDA Zone
Zone 5b
Growing Season
134 days
Growing Tips for Sevier County
Start seeds indoors 8-10 weeks before last frost. Transplant only after nighttime temperatures stay above 55F. Mulch to retain moisture and warmth around roots.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Eggplant in Other Locations
Frequently Asked Questions
When should I plant Eggplant in Sevier County, UT?
Sevier County is in Zone 5b with an average last frost of May 19. Plan your Eggplant planting based on this frost date — see the calendar above for exact timing.
What planting zone is Sevier County, UT?
Sevier County, Utah is in USDA Hardiness Zone 5b. The average last spring frost is May 19 and first fall frost is September 30.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Sevier County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.