When to plant spinach in Wyoming

Spinach
Sow outdoors in Cheyenne
Apr 2–Apr 23

Across Wyoming the window opens between March 29 and April 26. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Cheyenne
Apr 2–Apr 23
Last frost, Cheyenne
May 14

Sow outdoors 3–6 weeks before the last frost; sow again for fall 6–8 weeks before the first frost. Spinach bolts as days lengthen. Early spring and fall are its seasons.

Spinach planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
CheyenneApr 2–Apr 23
CasperMar 29–Apr 19
GilletteApr 3–Apr 24
LaramieApr 26–May 17
Rock SpringsApr 12–May 3
SheridanApr 9–Apr 30

Questions

When should I plant spinach in Wyoming?

In Cheyenne, sow outdoors from April 2 to April 23. Across Wyoming the window opens between March 29 and April 26, depending on the local last frost.

How is this date worked out?

Sow outdoors 3–6 weeks before 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

Spinach in other states

Frost dates for every city in Wyoming