When to plant lettuce in Saint Paul

Lettuce is cold-hardy, so every date keys off Saint Paul's frost dates of Apr 22.
Step 1 · Sow
Start seeds indoors
Mar 25 – Apr 15
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Apr 6 – Apr 27
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 21 – Jun 5
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 13 – Jul 27
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 3 – Sep 18
Maturity window for the second sowing.
Window
Days to maturity
45 – 60 d
Saint Paul's 174-day season leaves this much room.
Lettuce 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
APR 22
OCT 12

Common questions

When can I sow lettuce outdoors in Saint Paul?

Direct-sow around early April (Apr 6–Apr 27) in Saint Paul, based on its local frost dates. Confidence 81%.

When will lettuce be ready to harvest in Saint Paul?

Expect to harvest from around late May (May 21–Jun 5) in Saint Paul, based on its local frost dates. Confidence 76%.

When should I start lettuce seeds indoors in Saint Paul?

Start seeds indoors around late March (Mar 25–Apr 15) in Saint Paul, based on its local frost dates. Confidence 80%.

When can I transplant lettuce outdoors in Saint Paul?

Transplant outdoors around early April (Apr 6–Apr 27) in Saint Paul, based on its local frost dates. Confidence 81%.

Can I plant lettuce in autumn in Saint Paul?

Yes — Saint Paul supports a second, autumn sowing of lettuce around mid July (Jul 13–Jul 27), timed to mature before the first fall frost.

How long is the growing season in Saint Paul?

Saint Paul has roughly 174 frost-free days, which is enough time to grow lettuce to maturity outdoors.

The rule of thumb

Sow lettuce as soon as the soil is workable — it tolerates cool weather and light frost. 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.