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SUS Farms · Utah Seed Library
Growing Eggplant in Utah
vegetable · Solanaceae · warm season · 75 days to harvest
Methodtransplant
Days to maturity75 days
Seed depth0.25″
Plant spacing24″
Row spacing30″
Germ. temp75–90°F
Schedule (May 15 last frost · Sevier County)
| Start indoors | 3/20 |
| Transplant out | 5/29 |
| First harvest | 8/14 |
Planting depth, drawn to scale
Step-by-step
- 1. Start indoors 8 weeks before last frost. Seed-starting mix in 2-4" cells. Bottom heat at 75–90°F until germination, then drop to room temperature. 14-16 hours of light from clip-lamp 2" from leaves.
- 2. Harden off for 7 days. Day 1: 1 hour outside in shade. Add an hour and more sun each day. Skip if windy or below 50°F.
- 3. Transplant 24″ apart in rows 30″ apart. Soil should be at least 75°F before planting. Black plastic mulch laid two weeks ahead helps in cool springs.
- 4. Mulch and water consistently. 2" of straw or wood chip around the base. Drip line at surface. 1" per week including rain.
- 5. Harvest around day 75. Heat lover — black plastic mulch helps in our short Utah summers.
