When to plant collard greens in Wyoming

Collard greens
Plant out 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.

Plant out, Cheyenne
Apr 16–Apr 30
Last frost, Cheyenne
May 14

Plant out 2–4 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. Collards handle both heat and frost better than most greens.

Collard greens 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 collard greens in Wyoming?

In Cheyenne, plant out 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?

Plant out 2–4 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Wyoming

Collard greens in other states

Frost dates for every city in Wyoming