When to Plant Tulip bulbs in Wyoming: Sep 17–Oct 22

When to plant tulip bulbs in Wyoming

Fall planting in Cheyenne

Sep 17–Oct 22

Across Wyoming the window opens between August 21 and September 17. Find your city below; the dates follow each town's own average first fall frost.

Fall planting, Cheyenne: Sep 17–Oct 22
Last frost, Cheyenne: May 14

Plant from 2 weeks before to 3 weeks after the first fall frost. Plant once the soil has cooled below 60°F. Bulbs need 12–14 weeks of cold to flower in spring.

Tulip bulbs planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

CheyenneSep 17–Oct 22

CasperSep 15–Oct 20

GilletteSep 17–Oct 22

LaramieAug 21–Sep 25

Rock SpringsSep 10–Oct 15

SheridanSep 9–Oct 14

Questions

When should I plant tulip bulbs in Wyoming?

In Cheyenne, fall planting from September 17 to October 22. Across Wyoming the window opens between August 21 and September 17, depending on the local last frost.

How is this date worked out?

Plant from 2 weeks before to 3 weeks after the first fall frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.