When to plant tomatoes in zone 3

Tomatoes in USDA zone 3

Average zone 3 frost dates: last spring frost ≈ May 20, first fall frost ≈ Sep 15 (118 frost-free days). Local dates can vary by 2-3 weeks.

Start indoors 6-8 weeks before the last frost; transplant once nights stay above 50 °F (10 °C).

FAQ

Other zones

• Tomatoes in zone 4
• Tomatoes in zone 5
• Tomatoes in zone 6
• Tomatoes in zone 7
• Tomatoes in zone 8
• Tomatoes in zone 9
• Tomatoes in zone 10
• Zone 3 planting calendar