Seeding Calendar
Zone 9B Seeding Calendar
Optimal planting windows for cool-season and warm-season grasses in USDA Hardiness Zone 9B.
Seeding Calendar — Zone 9B
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 9B
Counties in Zone 9B
Sonoma County
CALDS 11
Humboldt County
CALDS 12
El Dorado County
CALDS 13
Mendocino County
CALDS 13
Placer County
CALDS 13
Butte County
CALDS 17
Santa Cruz County
CALDS 17
Yuba County
CALDS 17
Tehama County
CALDS 20
Santa Clara County
CALDS 24
Del Norte County
CALDS 26
Napa County
CALDS 27
Solano County
CALDS 28
Sutter County
CALDS 28
Colusa County
CALDS 31
Contra Costa County
CALDS 32
Glenn County
CALDS 32
Yolo County
CALDS 32
Clay County
FLLDS 32
San Benito County
CALDS 33
Monterey County
CALDS 36
San Joaquin County
CALDS 36
Tulare County
CALDS 36
Fresno County
CALDS 39
Sacramento County
CALDS 41
DeSoto County
FLLDS 42
Stanislaus County
CALDS 43
Kern County
CALDS 45
Maricopa County
AZLDS 48
Mohave County
AZLDS 48
Seeding windows are based on USDA hardiness zones and NOAA frost date data. Actual timing may vary by elevation, microclimate, and specific cultivar.