When to plant potatoes in Wyoming

Potatoes
Sow outdoors in Cheyenne
Apr 16–Apr 30

Across Wyoming the window opens between April 12 and May 10. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Cheyenne
Apr 16–Apr 30
Last frost, Cheyenne
May 14

Sow outdoors 2–4 weeks before the last frost. Plant seed potatoes once the soil reaches about 45°F. Shoots that come up before the last frost can be covered with soil.

Potatoes planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
CheyenneApr 16–Apr 30
CasperApr 12–Apr 26
GilletteApr 17–May 1
LaramieMay 10–May 24
Rock SpringsApr 26–May 10
SheridanApr 23–May 7

Questions

When should I plant potatoes in Wyoming?

In Cheyenne, sow outdoors from April 16 to April 30. Across Wyoming the window opens between April 12 and May 10, depending on the local last frost.

How is this date worked out?

Sow outdoors 2–4 weeks before the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Wyoming

Potatoes in other states

Frost dates for every city in Wyoming