When to plant tomato in Saint Paul
Tomato is frost-tender, so every date keys off Saint Paul's last spring frost of Apr 22.
Step 1 · Sow
Start seeds indoors
Mar 23 – Apr 13
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Jun 2 – Jun 23
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Aug 1 – Aug 26
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 85 d
Saint Paul's 174-day season leaves this much room.
Tomato on Saint Paul's growing year
Frost-bounded season with crops mapped onto the 12-month axis.
Frost risk Growing Harvest
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
FROST
FROST
APR 22
OCT 12
Common questions
When will tomato be ready to harvest in Saint Paul?
Expect to harvest from around early August (Aug 1–Aug 26) in Saint Paul, based on its local frost dates. Confidence 76%.
When should I start tomato seeds indoors in Saint Paul?
Start seeds indoors around late March (Mar 23–Apr 13) in Saint Paul, based on its local frost dates. Confidence 80%.
When can I transplant tomato outdoors in Saint Paul?
Transplant outdoors around early June (Jun 2–Jun 23) in Saint Paul, based on its local frost dates. Confidence 81%.
How long is the growing season in Saint Paul?
Saint Paul has roughly 174 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 Saint Paul's frost dates.
Confidence 84/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.