When to plant tomato in St. Petersburg
Tomato is frost-tender, so every date keys off St. Petersburg's last spring frost.
Step 1 · Sow
Direct sow outdoors
Jan 7 – Jan 28
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Mar 8 – Apr 2
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 85 d
From sowing to first pick.
Common questions
When can I sow tomato outdoors in St. Petersburg?
Direct-sow around early January (Jan 7–Jan 28) in St. Petersburg, based on its local frost dates. Confidence 77%.
When will tomato be ready to harvest in St. Petersburg?
Expect to harvest from around early March (Mar 8–Apr 2) in St. Petersburg, based on its local frost dates. Confidence 71%.
How long is the growing season in St. Petersburg?
St. Petersburg has roughly 365 frost-free days, which is enough time to grow tomato to maturity outdoors.
The rule of thumb
Sow tomato 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. Every date on this page is derived from that rule and St. Petersburg's frost dates.
Confidence 79/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.