Seeding Calendar
Zone 6A Seeding Calendar
Optimal planting windows for cool-season and warm-season grasses in USDA Hardiness Zone 6A.
Seeding Calendar — Zone 6A
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 6A
Warm-Season
Counties in Zone 6A
Brown County
ILLDS 22
Adams County
ILLDS 24
Broomfield County
COLDS 27
Arapahoe County
COLDS 35
Cheyenne County
COLDS 40
Adams County
IDLDS 40
Kit Carson County
COLDS 41
Kiowa County
COLDS 42
Adams County
COLDS 43
Prowers County
COLDS 44
Pueblo County
COLDS 44
Bent County
COLDS 45
Boulder County
COLDS 45
Denver County
COLDS 45
El Paso County
COLDS 45
Otero County
COLDS 45
Las Animas County
COLDS 46
La Plata County
COLDS 50
Fremont County
COLDS 52
Jefferson County
COLDS 52
Franklin County
IDLDS 55
Minidoka County
IDLDS 55
Power County
IDLDS 55
Huerfano County
COLDS 56
Lincoln County
IDLDS 56
Oneida County
IDLDS 56
Moffat County
COLDS 57
Camas County
IDLDS 57
Garfield County
COLDS 58
Rio Blanco County
COLDS 61
Seeding windows are based on USDA hardiness zones and NOAA frost date data. Actual timing may vary by elevation, microclimate, and specific cultivar.