When to plant lettuce in Cheyenne

Lettuce is cold-hardy, so every date keys off Cheyenne's frost dates of May 13.
Step 1 · Sow
Start seeds indoors
Apr 15 – May 6
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Apr 22 – May 13
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 6 – Jun 21
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jun 24 – Jul 8
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Aug 15 – Aug 30
Maturity window for the second sowing.
Window
Days to maturity
45 – 60 d
Cheyenne's 136-day season leaves this much room.
Lettuce on Cheyenne'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
MAY 13
OCT 2

Common questions

When can I sow lettuce outdoors in Cheyenne?

Direct-sow around mid April (Apr 15–May 6) in Cheyenne, based on its local frost dates. Confidence 89%.

When will lettuce be ready to harvest in Cheyenne?

Expect to harvest from around early June (Jun 6–Jun 21) in Cheyenne, based on its local frost dates. Confidence 80%.

When should I start lettuce seeds indoors in Cheyenne?

Start seeds indoors around mid April (Apr 15–May 6) in Cheyenne, based on its local frost dates. Confidence 85%.

When can I transplant lettuce outdoors in Cheyenne?

Transplant outdoors around late April (Apr 22–May 13) in Cheyenne, based on its local frost dates. Confidence 89%.

Can I plant lettuce in autumn in Cheyenne?

Yes — Cheyenne supports a second, autumn sowing of lettuce around late June (Jun 24–Jul 8), timed to mature before the first fall frost.

How long is the growing season in Cheyenne?

Cheyenne has roughly 136 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 Cheyenne's frost dates.

Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.