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When to plant tomatoes in zone 9

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Tomatoes in USDA zone 9

StepDates
Start seeds indoorsJan 7 – Jan 21
Transplant outdoorsMar 11 – Apr 1
Expected first harvestfrom May 25

Average zone 9 frost dates: last spring frost ≈ Feb 25, first fall frost ≈ Dec 1 (279 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

When to plant tomatoes in zone 9?

Start seeds indoors: Jan 7 – Jan 21; Transplant outdoors: Mar 11 – Apr 1; Expected first harvest: from May 25.

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