Crop dates by place

Pumpkins Planting Dates by State and Region

Published pumpkins planting windows for 16 places, with the source and the caveats you need before you use them.

Across the 3 places in this data set, the planting window begins as early as Apr 1 (Columbia and Snake River valleys, Oregon) and as late as May 1 (Oregon Coast). The middle of the range starts around May 1.

Pumpkins windows by place
Place	Planting	Harvest
Cedar City, Utah	Planting: average date of initial planting about June 1; average last spring frost May 21
Central Missouri	Planting: planting dates 5/15 to 5/25 (month/day)
Columbia and Snake River valleys, Oregon	Planting: April
Heber, Utah	Planting: average date of initial planting about May 15 (protected with cover); average last spring frost June 11
Logan (USU), Utah	Planting: average date of initial planting about May 20; average last spring frost May 7
Moab, Utah	Planting: average date of initial planting about May 1; average last spring frost April 18
North Missouri	Planting: planting dates 5/20 to 5/30 (month/day)
Ogden, Utah	Planting: average date of initial planting about May 20; average last spring frost May 3
Oregon Coast	Planting: May
Provo (BYU), Utah	Planting: average date of initial planting about May 20; average last spring frost May 1
Richfield, Utah	Planting: average date of initial planting about June 1 (protected with cover); average last spring frost May 28
Salt Lake City (International Airport station), Utah	Planting: average date of initial planting about May 15; average last spring frost April 26
South Missouri	Planting: planting dates 5/1 to 5/15 (month/day)
St George, Utah	Planting: average date of initial planting about April 1; average last spring frost March 30
Vernal, Utah	Planting: average date of initial planting about May 15 (protected with cover); average last spring frost May 27
Western valleys (Portland, Roseburg, Medford), Oregon	Planting: May

Calendar view

Pumpkins calendar by place
Item	Jan	Apr	May
Cedar City, Utah planting	Timing in table above
Central Missouri planting	Timing in table above
Columbia and Snake River valleys, Oregon planting		Planting window in April
Heber, Utah planting	Timing in table above
Logan (USU), Utah planting	Timing in table above
Moab, Utah planting	Timing in table above
North Missouri planting	Timing in table above
Ogden, Utah planting	Timing in table above
Oregon Coast planting			Planting window in May
Provo (BYU), Utah planting	Timing in table above
Richfield, Utah planting	Timing in table above
Salt Lake City (International Airport station), Utah planting	Timing in table above
South Missouri planting	Timing in table above
St George, Utah planting	Timing in table above
Vernal, Utah planting	Timing in table above
Western valleys (Portland, Roseburg, Medford), Oregon planting			Planting window in May

Frost-date caveat: ranges blur real differences inside a state or region. Use them to plan, then fit them to your last frost date, soil temperature and field conditions.

Related guides

Last reviewed: November 2026. Source: USU Extension - Suggested Vegetable Planting Dates for Utah (Table 1).