FrostCal

When to Plant Radishes in Wyoming

In a typical Wyoming location, sow outdoors Apr 12 – Apr 26. Across the state, the outdoor planting window starts as early as Mar 30 in Worland and as late as May 8 in Evanston. For a fall crop, plant around Aug 16 – Aug 30. 1 city in Wyoming is essentially frost-free and can plant on a year-round schedule.

Method Direct sow
Days to maturity 22–30 days

Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.

Radishes Planting Dates by City

CityDirect sowFall planting
CheyenneApr 9 – Apr 23Aug 20 – Sep 3
CasperApr 5 – Apr 19Aug 18 – Sep 1
GilletteApr 10 – Apr 24Aug 20 – Sep 3
LaramieMay 3 – May 17Jul 24 – Aug 7
Rock SpringsApr 19 – May 3Aug 13 – Aug 27
SheridanApr 16 – Apr 30Aug 12 – Aug 26
Green RiverApr 19 – May 3Aug 11 – Aug 25
EvanstonMay 8 – May 22Aug 1 – Aug 15
RivertonApr 7 – Apr 21Aug 13 – Aug 27
JacksonFrost-free: year-round planting
CodyApr 7 – Apr 21Aug 20 – Sep 3
RawlinsApr 12 – Apr 26Aug 21 – Sep 4
LanderApr 13 – Apr 27Aug 16 – Aug 30
TorringtonApr 6 – Apr 20Aug 18 – Sep 1
DouglasApr 14 – Apr 28Aug 12 – Aug 26
PowellApr 14 – Apr 28Aug 9 – Aug 23
RanchettesApr 7 – Apr 21Aug 20 – Sep 3
WorlandMar 30 – Apr 13Aug 20 – Sep 3
BuffaloApr 19 – May 3Aug 10 – Aug 24
South GreeleyApr 9 – Apr 23Aug 20 – Sep 3

Showing the 20 most populous of 20 Wyoming cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Wyoming cities.

Frequently Asked Questions

When should I plant radishes in Wyoming?

In a typical Wyoming location, sow outdoors Apr 12 – Apr 26. Across the state, the outdoor planting window starts as early as Mar 30 in Worland and as late as May 8 in Evanston. For a fall crop, plant around Aug 16 – Aug 30. 1 city in Wyoming is essentially frost-free and can plant on a year-round schedule.

When is the last frost in Wyoming?

The average last spring frost in Wyoming ranges from May 4 in Worland to June 12 in Evanston, based on NOAA 1991–2020 climate normals.

How long do radishes take to grow?

Radishes typically take 22–30 days from planting to harvest. Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.

Other Crops in Wyoming

When to plant radishes in other states

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