USDA hardiness zone planting guides
Your zone is set by the coldest winter temperatures where you garden — it decides which perennials survive and, together with your frost dates, when to plant. Pick a zone for its average frost dates, growing-season length, and the crops that fit it.
Zone 2
−50 to −40°F
3 cities
Zone 3
−40 to −30°F
2 cities
Zone 4
−30 to −20°F
74 cities
Zone 5
−20 to −10°F
358 cities
Zone 6
−10 to 0°F
886 cities
Zone 7
0 to 10°F
976 cities
Zone 8
10 to 20°F
701 cities
Zone 9
20 to 30°F
621 cities
Zone 10
30 to 40°F
473 cities
Zone 11
40 to 50°F
56 cities
Zone 12
50 to 60°F
1 city
Not sure which zone you’re in?
Look it up by ZIP →Hardiness zones from the USDA/PRISM 2023 map · frost dates from 1991–2020 NOAA climate normals. How we compute this.