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 4
Humboldt County
CALDS 5
El Dorado County
CALDS 8
Mendocino County
CALDS 8
Placer County
CALDS 8
Butte County
CALDS 10
Santa Cruz County
CALDS 10
Yuba County
CALDS 10
Santa Clara County
CALDS 17
Tehama County
CALDS 18
Del Norte County
CALDS 19
Napa County
CALDS 20
Solano County
CALDS 21
Contra Costa County
CALDS 25
Glenn County
CALDS 25
Yolo County
CALDS 25
Colusa County
CALDS 26
San Benito County
CALDS 28
Sutter County
CALDS 28
Monterey County
CALDS 29
San Joaquin County
CALDS 29
Tulare County
CALDS 29
Fresno County
CALDS 32
Clay County
FLLDS 32
Sacramento County
CALDS 34
Stanislaus County
CALDS 36
Kern County
CALDS 38
Maricopa County
AZLDS 41
Mohave County
AZLDS 41
DeSoto County
FLLDS 42
Seeding windows are based on USDA hardiness zones and NOAA frost date data. Actual timing may vary by elevation, microclimate, and specific cultivar.