Seeding Calendar
Zone 4A Seeding Calendar
Optimal planting windows for cool-season and warm-season grasses in USDA Hardiness Zone 4A.
Seeding Calendar — Zone 4A
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 4A
Warm-Season
Counties in Zone 4A
Aroostook County
MELDS 14
Todd County
MNLDS 18
Benton County
MNLDS 22
Clay County
MNLDS 22
Norman County
MNLDS 22
Polk County
MNLDS 22
Wilkin County
MNLDS 22
Iron County
MILDS 23
Morrison County
MNLDS 24
Pine County
MNLDS 24
Becker County
MNLDS 25
Kanabec County
MNLDS 25
Mahnomen County
MNLDS 25
Carlton County
MNLDS 26
Mille Lacs County
MNLDS 26
Otter Tail County
MNLDS 27
Aitkin County
MNLDS 28
Wadena County
MNLDS 30
Crow Wing County
MNLDS 31
Cass County
MNLDS 32
Prairie County
MTLDS 36
Blaine County
MTLDS 38
Dawson County
MTLDS 38
Richland County
MTLDS 38
Roosevelt County
MTLDS 38
Toole County
MTLDS 38
Liberty County
MTLDS 39
McCone County
MTLDS 39
Pondera County
MTLDS 39
Chouteau County
MTLDS 40
Seeding windows are based on USDA hardiness zones and NOAA frost date data. Actual timing may vary by elevation, microclimate, and specific cultivar.