USDA Hardiness Zones
Browse USDA hardiness zones 3–13. Find zone-matched plant picks, seasonal guides, and design inspiration for your climate. Plan your garden with Arden.
USDA Zone 3: Gardens That Survive Brutal Cold
-40°F to -30°F (-40°C to -34°C)
Northern Minnesota, North Dakota, northern Montana, interior Alaska, and much of the Canadian prairies (Winnipeg, Saskatoon, Edmonton).
USDA Zone 4: Short Seasons, Big Rewards
-30°F to -20°F (-34°C to -29°C)
Northern New England, upstate New York, northern Michigan, Wisconsin, Minnesota, Iowa, the Dakotas, Wyoming, Montana, and Idaho.
USDA Zone 5: Four-Season Gardens with Range
-20°F to -10°F (-29°C to -23°C)
Central New England, lower Great Lakes, most of Ohio and Indiana, central Illinois, northern Missouri, Kansas, Colorado, Utah, Nevada, and parts of the Pacific Northwest interior.
USDA Zone 6: The Widest Plant Palette
-10°F to 0°F (-23°C to -18°C)
Southern New England, mid-Atlantic interior, Ohio River valley, most of Pennsylvania, West Virginia, Kentucky, Tennessee, southern Missouri, Arkansas, Oklahoma, northern Texas, and much of the Pacific Northwest coast.
USDA Zone 7: Mild Winters, Long Seasons
0°F to 10°F (-18°C to -12°C)
Most of Virginia, North Carolina coast and Piedmont, parts of Tennessee, northern Georgia and Alabama, the Ozarks, much of Oklahoma and Texas Panhandle, New Mexico interior, Arizona mountains, and the California interior coast and Central Valley.
USDA Zone 8: Southern Garden Territory
10°F to 20°F (-12°C to -7°C)
Coastal North Carolina, South Carolina, Georgia, Alabama, Mississippi, Louisiana, Arkansas, most of Texas, New Mexico lowlands, Arizona mid-elevations, California interior, and the Pacific Northwest coast.
USDA Zone 9: Subtropical Abundance
20°F to 30°F (-7°C to -1°C)
Central and north Florida, coastal Gulf states, south Texas, most of central and southern California, and Arizona desert valleys.
USDA Zone 10: True Tropical Gardening
30°F to 40°F (-1°C to 4°C)
South Florida (Miami, Fort Lauderdale), the Florida Keys, parts of coastal southern California (San Diego, LA coast), and low-elevation areas of Arizona (Phoenix, Tucson lowlands).
USDA Zone 11: Frost-Free Paradise
40°F to 50°F (4°C to 10°C)
The Florida Keys, Hawaii (lower elevations), Puerto Rico, the US Virgin Islands, and select microclimates in coastal southern California and southern Arizona.
USDA Zone 12: Equatorial Garden Conditions
50°F to 60°F (10°C to 16°C)
Hawaii (lowland and coastal areas), US Virgin Islands (St. Croix, St. Thomas, St. John coastlines), far southern Puerto Rico, and some extreme-southern-Florida microclimates.
USDA Zone 13: Pure Tropical Climate
60°F to 70°F (16°C to 21°C)
Southernmost Hawaii (Big Island coastal lowlands), Puerto Rico's southern coast, and the warmest parts of the US Virgin Islands. Equivalent to sea-level equatorial gardens worldwide.
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