When to Plant Lettuce 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 2 – Aug 16. 1 city in Wyoming is essentially frost-free and can plant on a year-round schedule.

Method Direct sow
Days to maturity 45–60 days

Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts.

Lettuce Planting Dates by City

CityDirect sowFall planting
CheyenneApr 16 – Apr 30Aug 6 – Aug 20
CasperApr 12 – Apr 26Aug 4 – Aug 18
GilletteApr 17 – May 1Aug 6 – Aug 20
LaramieMay 10 – May 24Jul 10 – Jul 24
Rock SpringsApr 26 – May 10Jul 30 – Aug 13
SheridanApr 23 – May 7Jul 29 – Aug 12
Green RiverApr 26 – May 10Jul 28 – Aug 11
EvanstonMay 15 – May 29Jul 18 – Aug 1
RivertonApr 14 – Apr 28Jul 30 – Aug 13
JacksonFrost-free: year-round planting
CodyApr 14 – Apr 28Aug 6 – Aug 20
RawlinsApr 19 – May 3Aug 7 – Aug 21
LanderApr 20 – May 4Aug 2 – Aug 16
TorringtonApr 13 – Apr 27Aug 4 – Aug 18
DouglasApr 21 – May 5Jul 29 – Aug 12
PowellApr 21 – May 5Jul 26 – Aug 9
RanchettesApr 14 – Apr 28Aug 6 – Aug 20
WorlandApr 6 – Apr 20Aug 6 – Aug 20
BuffaloApr 26 – May 10Jul 27 – Aug 10
South GreeleyApr 16 – Apr 30Aug 6 – Aug 20

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 lettuce 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 2 – Aug 16. 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 lettuce take to grow?

Lettuce typically take 45–60 days from planting to harvest. Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts.

Other Crops in Wyoming

When to plant lettuce in other states

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