FrostCal

When to Plant Arugula in Wyoming

In a typical Wyoming location, sow outdoors Apr 19 – May 3. Across the state, the outdoor planting window starts as early as Apr 6 in Worland and as late as May 15 in Evanston. For a fall crop, plant around Aug 16 – Aug 23. 1 city in Wyoming is essentially frost-free and can plant on a year-round schedule.

Method Direct sow
Days to maturity 30–40 days

Fast-growing, cold-tolerant green; direct sow 2-4 weeks before last frost, succession sow every 2-3 weeks.

Arugula Planting Dates by City

CityDirect sowFall planting
CheyenneApr 16 – Apr 30Aug 20 – Aug 27
CasperApr 12 – Apr 26Aug 18 – Aug 25
GilletteApr 17 – May 1Aug 20 – Aug 27
LaramieMay 10 – May 24Jul 24 – Jul 31
Rock SpringsApr 26 – May 10Aug 13 – Aug 20
SheridanApr 23 – May 7Aug 12 – Aug 19
Green RiverApr 26 – May 10Aug 11 – Aug 18
EvanstonMay 15 – May 29Aug 1 – Aug 8
RivertonApr 14 – Apr 28Aug 13 – Aug 20
JacksonFrost-free: year-round planting
CodyApr 14 – Apr 28Aug 20 – Aug 27
RawlinsApr 19 – May 3Aug 21 – Aug 28
LanderApr 20 – May 4Aug 16 – Aug 23
TorringtonApr 13 – Apr 27Aug 18 – Aug 25
DouglasApr 21 – May 5Aug 12 – Aug 19
PowellApr 21 – May 5Aug 9 – Aug 16
RanchettesApr 14 – Apr 28Aug 20 – Aug 27
WorlandApr 6 – Apr 20Aug 20 – Aug 27
BuffaloApr 26 – May 10Aug 10 – Aug 17
South GreeleyApr 16 – Apr 30Aug 20 – Aug 27

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 arugula in Wyoming?

In a typical Wyoming location, sow outdoors Apr 19 – May 3. Across the state, the outdoor planting window starts as early as Apr 6 in Worland and as late as May 15 in Evanston. For a fall crop, plant around Aug 16 – Aug 23. 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 arugula take to grow?

Arugula typically take 30–40 days from planting to harvest. Fast-growing, cold-tolerant green; direct sow 2-4 weeks before last frost, succession sow every 2-3 weeks.

Other Crops in Wyoming

When to plant arugula in other states

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