When to plant eggplant in St. Petersburg
Eggplant is frost-tender, so every date keys off St. Petersburg's last spring frost.
Step 1 · Sow
Direct sow outdoors
Jan 8 – Jan 29
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Mar 19 – Apr 3
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 85 d
From sowing to first pick.
Common questions
When can I sow eggplant outdoors in St. Petersburg?
Direct-sow around early January (Jan 8–Jan 29) in St. Petersburg, based on its local frost dates. Confidence 77%.
When will eggplant be ready to harvest in St. Petersburg?
Expect to harvest from around mid March (Mar 19–Apr 3) 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 eggplant to maturity outdoors.
The rule of thumb
Sow eggplant 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.