Seeding Calendar
Zone 3B Seeding Calendar
Optimal planting windows for cool-season and warm-season grasses in USDA Hardiness Zone 3B.
Seeding Calendar — Zone 3B
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 3B
Counties in Zone 3B
Pennington County
MNLDS 28
Roseau County
MNLDS 29
Red Lake County
MNLDS 30
Cavalier County
NDLDS 32
Pierce County
NDLDS 32
Rolette County
NDLDS 32
Kittson County
MNLDS 33
Marshall County
MNLDS 33
St. Louis County
MNLDS 33
Clearwater County
MNLDS 34
Cook County
MNLDS 34
Lake County
MNLDS 34
Itasca County
MNLDS 38
Koochiching County
MNLDS 38
Lake of the Woods County
MNLDS 38
Towner County
NDLDS 38
Bottineau County
NDLDS 40
Hubbard County
MNLDS 42
Beltrami County
MNLDS 45
Sheridan County
MTLDS 45
Phillips County
MTLDS 46
Daniels County
MTLDS 49
Hill County
MTLDS 51
Seeding windows are based on USDA hardiness zones and NOAA frost date data. Actual timing may vary by elevation, microclimate, and specific cultivar.