Lawn Guardian

When to Plant Tomato

Solanum lycopersicum

vegetableZones 3–11beginner

The most popular home garden crop. Warm-season fruiting plant producing red, yellow, or heirloom varieties. Thrives in full sun with consistent watering and support.

Planting calendar

Start seeds indoors

6 weeks before your last spring frost.

Direct sow / transplant

2 weeks after your last spring frost.

Transplant when nighttime temps stay above 50°F

Spacing & harvest

Companion planting

Plant near

Keep away from

Get tomato planting dates for your exact zone

Lawn Guardian turns this guidance into a schedule timed to your USDA zone and this week's actual weather — and adapts every time you log what you've done.

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Sources: Purdue University Turfgrass Science: Use Growing Degree Days to Better Time Your Applications · University of Missouri Extension: Cool-Season Grasses: Lawn Maintenance Calendar · University of Minnesota Extension: Pre-emergent Herbicides for Crabgrass Control in Lawns