USDA Zones 4–10
Browse plants by hardiness zone
Your zone describes the coldest winter temperatures where you live. Choose yours to see plants rated to survive those lows, ranked by what real gardeners actually save and grow.
Choose your hardiness zone
USDA hardiness
Zone 4
Winter lows -30°F to -20°F
Short, intense seasons — plants here are the toughest in the catalog.
- Last spring frost
- mid-May
- First fall frost
- late September
USDA hardiness
Zone 5
Winter lows -20°F to -10°F
Classic northern gardening with a reliable snow blanket.
- Last spring frost
- early May
- First fall frost
- early October
USDA hardiness
Zone 6
Winter lows -10°F to 0°F
The sweet spot — nearly everything hardy grows here.
- Last spring frost
- late April
- First fall frost
- mid-October
USDA hardiness
Zone 7
Winter lows 0°F to 10°F
Long seasons that reward layered, four-season planting.
- Last spring frost
- mid-April
- First fall frost
- late October
USDA hardiness
Zone 8
Winter lows 10°F to 20°F
Mild winters open the door to broadleaf evergreens and early bloom.
- Last spring frost
- late March
- First fall frost
- mid-November
USDA hardiness
Zone 9
Winter lows 20°F to 30°F
Nearly year-round growing — heat tolerance matters more than cold.
- Last spring frost
- late February
- First fall frost
- early December
USDA hardiness
Zone 10
Winter lows 30°F to 40°F
Frost is the exception; subtropicals thrive and summer is the stress season.
- Last spring frost
- rare
- First fall frost
- rare
Not sure which zone is yours?
Sow finds your hardiness zone from your location, then matches every recommendation to your winter, sunlight, and space.
