When to plant lettuce in Wyoming

Lettuce
Plant out in Cheyenne
Apr 30–May 21

Across Wyoming the window opens between April 26 and May 24. Find your city below; the dates follow each town's own average last frost.

Start indoors, Cheyenne
Mar 19–Apr 2
Plant out, Cheyenne
Apr 30–May 21
Sow outdoors, Cheyenne
Apr 16–May 21
Last frost, Cheyenne
May 14

Start seeds indoors 6–8 weeks before the last frost; plant out from 2 weeks before to 1 weeks after the last frost; sow outdoors from 4 weeks before to 1 weeks after the last frost; sow again for fall 6–8 weeks before the first frost. Lettuce bolts in heat. Sow small batches every two weeks in spring and again in late summer.

Lettuce planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
CheyenneApr 30–May 21
CasperApr 26–May 17
GilletteMay 1–May 22
LaramieMay 24–Jun 14
Rock SpringsMay 10–May 31
SheridanMay 7–May 28

Questions

When should I plant lettuce in Wyoming?

In Cheyenne, plant out from April 30 to May 21. Across Wyoming the window opens between April 26 and May 24, depending on the local last frost.

How is this date worked out?

Start seeds indoors 6–8 weeks before the last frost; plant out from 2 weeks before to 1 weeks after the last frost; sow outdoors from 4 weeks before to 1 weeks after the last frost; sow again for fall 6–8 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Wyoming

Lettuce in other states

Frost dates for every city in Wyoming