Tomatoes planting in Utah.
Tomatoes planting in Utah is shaped by the state's 6b dominant hardiness zone, last frost date around May 1, and a 165-day growing season. Tomatoes is widely grown in Utah — commercially significant or common in home gardens and food plots.
Planting dates on this page are climatological estimates from USDA frost-date norms and zone-typical planting offsets. Verify against Utah State University Extension for variety- and county-specific guidance.
Planting calendar — 2026
Planting windows shift earlier in southern parts of the state and later in northern parts. Use last frost date in your specific county as the reference.
Planting windows
Spring planting
TomatoesHarvest window
Harvest timing varies with planting date and seasonal weather — these dates are typical for the ideal planting window.
Growing notes
Tomatoes grows well in Utah's typical climate. Utah's 165-day growing season and 6b hardiness zone support reliable production with appropriate variety selection.
Tomatoes is widely grown in Utah — commercially significant or common in home gardens and food plots.
Agronomy reference
Days to maturity counted from transplant date, not from seed. Direct seeding is uncommon outside southernmost states.
Common pests to watch
- Tomato hornworm
- Aphids
- Whiteflies
Pest pressure varies by region and year. Confirm current outbreaks with Utah State University Extension.
Common diseases
- Early blight
- Late blight
- Septoria leaf spot
Resistance varieties shift each year. Check the current variety trial report for your state.
Variety selection
Tomatoes varieties for Utah live with your extension service.
Variety performance is micro-regional and changes with each year’s trial cycle. We don’t republish variety lists — instead, we point directly at the source.
Search the extension site for “tomatoesvariety trial” or “recommended tomatoes varieties” to find the current report.
Yield varies significantly by variety, soil, fertility, and management. Consult your state extension service for variety performance trials in your region.
Tomatoes timing. Live alerts.
Bield: Farm ties weather and soil-temperature stations in your county to crop planting thresholds — get notified the day soil temp clears your target window.