When to plant zucchini in Wyoming

Zucchini
Sow outdoors in Cheyenne
May 21–Jun 4

Across Wyoming the window opens between May 17 and June 14. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Cheyenne
May 21–Jun 4
Last sowing for a harvest
Jul 19
Last frost, Cheyenne
May 14

Sow outdoors 1–3 weeks after the last frost. Two plants are plenty for most families. Pick fruit at 6–8 inches.

Zucchini planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
CheyenneMay 21–Jun 4
CasperMay 17–May 31
GilletteMay 22–Jun 5
LaramieJun 14–Jun 28
Rock SpringsMay 31–Jun 14
SheridanMay 28–Jun 11

Questions

When should I plant zucchini in Wyoming?

In Cheyenne, sow outdoors from May 21 to June 4. Across Wyoming the window opens between May 17 and June 14, depending on the local last frost.

How is this date worked out?

Sow outdoors 1–3 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Wyoming

Zucchini in other states

Frost dates for every city in Wyoming