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When to plant tomatoes in Zone 7a
Your tomatoes timeline — Zone 7a
| Start indoors | March 15 – March 22 |
|---|---|
| Transplant | April 19 – May 3 |
| Zone 7a last frost | ~04/15 |
| Zone 7a first frost | ~10/26 |
Dates computed from Zone 7a's median NOAA frost normals and the cited rule. Your town may differ by a week or two — check your exact ZIP.
What you'll need
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Seed-starting traysBurpee SuperSeed 36-cell trayReusable cells that pop seedlings out with the roots intact at transplant time.See it on Amazon- Seed-starting mixEspoma Organic Seed StarterA fine, sterile mix so small seeds can push through and seedlings don't rot.See it on Amazon
- Heat matVIVOSUN heat mat with thermostatWarm-season seeds sprout in days instead of weeks when the soil sits near 75–85°F.See it on Amazon
- Grow lightBarrina T5 LED grow lights, 4-packA windowsill is too dim in late winter; a light 2–3 in. above keeps seedlings short and sturdy.See it on Amazon
- Tomato cages or stakesCedar Ridge foldable square tomato cagesSquare steel cages hold a full-grown vine that bends round wire cones.See it on Amazon
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Calendar computed 2026-09-28. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rule: University of New Hampshire Cooperative Extension — “Growing Vegetables: When to Plant Your Vegetable Garden”; University of Georgia Extension — Vegetable Planting Chart (Circular C963) (days to maturity).