USDA Hardiness Zone Garden Guides
Understand your hardiness zone, cold limits, seasonal timing, and reliable garden plant choices.
Zone 3
Zone 3 garden guide — cold-hardy plants, regional tips, and season planning for -40°F winters. Design your Zone 3 garden with Arden.
-30°F to -20°F (-34°C to -29°C)Zone 4
Zone 4 garden guide — cold-hardy plants, regional tips, and season planning. Design your Zone 4 garden with Arden.
-20°F to -10°F (-29°C to -23°C)Zone 5
Zone 5 garden guide — plant picks, seasonal tasks, and regional notes for the north-central US. Design your Zone 5 garden with Arden.
-10°F to 0°F (-23°C to -18°C)Zone 6
Zone 6 garden guide — long growing season, diverse plant options, and regional tips. Design your Zone 6 garden with Arden.
0°F to 10°F (-18°C to -12°C)Zone 7
Zone 7 garden guide — evergreen plant picks, long growing season, and regional notes. Design your Zone 7 garden with Arden.
10°F to 20°F (-12°C to -7°C)Zone 8
Zone 8 garden guide — southern plants, long seasons, and humidity management. Design your Zone 8 garden with Arden.
20°F to 30°F (-7°C to -1°C)Zone 9
Zone 9 garden guide — subtropical plants, year-round growing, and heat strategies. Design your Zone 9 garden with Arden.
30°F to 40°F (-1°C to 4°C)Zone 10
Zone 10 garden guide — tropical plants, year-round growing, and frost-free landscape design. Design your Zone 10 garden with Arden.
40°F to 50°F (4°C to 10°C)Zone 11
Zone 11 garden guide — true tropicals, year-round blooms, and frost-free plant options. Design your Zone 11 garden with Arden.
50°F to 60°F (10°C to 16°C)Zone 12
Zone 12 garden guide — equatorial tropicals, year-round growing, and wet/dry season planning. Design your Zone 12 garden with Arden.
60°F to 70°F (16°C to 21°C)Zone 13
Zone 13 garden guide — pure tropical plant palette, year-round growing, equatorial conditions. Design your Zone 13 garden with Arden.
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