Plants by USDA hardiness zone — PlantSage
0Section · 00
By USDA hardiness zone
— USDA zones define the minimum winter temperature a plant can survive. Pick yours — see what grows reliably without winter protection.
Zone 3
386-40 to -34°C · -40 to -30°F
Extreme cold-hardy plants — survive deep winter freeze.
Minneapolis MN · Anchorage AK · Helsinki FI
Zone 4
996-34 to -29°C · -30 to -20°F
Cold-hardy plants for harsh-winter gardens.
Madison WI · Burlington VT · Stockholm SE
Zone 5
747-29 to -23°C · -20 to -10°F
Cold-hardy plants for moderately harsh winters.
Chicago IL · Boston MA · Munich DE
Zone 6
571-23 to -18°C · -10 to 0°F
Hardy plants — broadest selection of perennials and edibles.
Pittsburgh PA · Kansas City MO · Bucharest RO
Zone 7
764-18 to -12°C · 0 to 10°F
Mild-winter plants — long growing season.
Washington DC · Nashville TN · Sofia BG
Zone 8
1360-12 to -7°C · 10 to 20°F
Mediterranean and sub-tropical plants — minimal frost.
Atlanta GA · Seattle WA · Lisbon PT
Zone 9
1432-7 to -1°C · 20 to 30°F
Tender perennials and Mediterranean plants — rare freeze.
Houston TX · Orlando FL · Athens GR
Zone 10
1044-1 to 4°C · 30 to 40°F
Tropical plants — frost-free year-round.
Miami FL · San Diego CA · Málaga ES
Zone 11
5444 to 10°C · 40 to 50°F
True tropical species — no winter.
Honolulu HI · Singapore · Tenerife
Not sure of your zone? US: check the USDA map. Europe: use the equivalent Köppen-derived chart.
❦❦❦❦
Endpaper · archive updates
Get archive updates
Occasional email when substantial new content lands — plant profiles, seasonal growing notes, folk-remedy additions. Free, no tracking, unsubscribe anytime.