All USDA Hardiness Zones
Select your zone to get tailored planting guides, frost dates, monthly calendars, and plant recommendations. Not sure of your zone? Look it up on the USDA map →
Zone 1
Extreme Cold — Alaska Interior & High Mountain Peaks
50–80 days · Late May – mid June
View zone guide →
Zone 2
Very Cold — Northern Alaska, Northern Canada, High Rockies
75–100 days · Late May – early June
View zone guide →
Zone 3
Very Cold — Northern Plains, Upper Midwest, Interior Northwest
100–130 days · Mid May – early June
View zone guide →
Zone 4
Cold — Upper Midwest, New England, Mountain West
120–150 days · Early – mid May
View zone guide →
Zone 5
Cool-Cold — Great Lakes, Mid-Atlantic Highlands, Rocky Mountain Foothills
150–180 days · Late April – early May
View zone guide →
Zone 6
Temperate-Cold — Mid-Atlantic, Midwest, Pacific Northwest Highlands
180–210 days · Mid April – early May
View zone guide →
Zone 7
Mild — Mid-South, Pacific Coast, Southern Appalachians
200–225 days · Late March – mid April
View zone guide →
Zone 8
Warm-Temperate — Deep South, Pacific Coast, Lower Midwest
225–270 days · Late February – late March
View zone guide →
Zone 9
Warm — Gulf Coast, Central Valley, Desert Southwest Margins
270–310 days · Late January – late February
View zone guide →
Zone 10
Subtropical — South Florida, Southern California, Hawaii Lowlands
Year-round (365 days) · Rare or none
View zone guide →
Zone 11
Tropical — Florida Keys, Hawaii, Southernmost California
Year-round (365 days) · None
View zone guide →
Zone 12
Tropical — Puerto Rico, US Virgin Islands, Hawaii (sea level)
Year-round (365 days) · None
View zone guide →Zone 13
Tropical Hot — Hawaii (lowest elevations), Guam, American Samoa
Year-round (365 days) · None
View zone guide →