Seeding Calendar
Zone 5B Seeding Calendar
Optimal planting windows for cool-season and warm-season grasses in USDA Hardiness Zone 5B.
Seeding Calendar — Zone 5B
J
F
M
A
M
J
J
A
S
O
N
D
Cool Seed (Best)
Cool Seed (OK)
Warm Seed (Best)
Warm Seed (OK)
Cool Seed (Best)
Cool Seed (OK)
Warm Seed (Best)
Warm Seed (OK)
Optimal (cool)
Acceptable (cool)
Optimal (warm)
Acceptable (warm)
Recommended Grasses for Zone 5B
Warm-Season
Counties in Zone 5B
Gilpin County
COLDS 27
Eagle County
COLDS 31
Teller County
COLDS 31
Elbert County
COLDS 33
Lincoln County
COLDS 33
Ouray County
COLDS 33
Clear Creek County
COLDS 35
Phillips County
COLDS 35
Morgan County
COLDS 36
Rio Grande County
COLDS 36
Washington County
COLDS 36
Douglas County
COLDS 37
Sedgwick County
COLDS 37
Yuma County
COLDS 37
Costilla County
COLDS 38
Custer County
COLDS 38
Park County
COLDS 38
Pitkin County
COLDS 38
Bingham County
IDLDS 38
Blaine County
IDLDS 38
Bonneville County
IDLDS 38
Custer County
IDLDS 38
Chaffee County
COLDS 39
Crowley County
COLDS 39
Larimer County
COLDS 39
Logan County
COLDS 39
San Miguel County
COLDS 39
Weld County
COLDS 39
Lemhi County
IDLDS 39
Clark County
IDLDS 40
Seeding windows are based on USDA hardiness zones and NOAA frost date data. Actual timing may vary by elevation, microclimate, and specific cultivar.