USDA Plant Hardiness Zone Guide
Know exactly what to plant, and when.
Free planting guides for all 13 USDA hardiness zones — organised by zone, month, sun conditions, and plant category. Stop guessing. Start growing.
Find your USDA hardiness zone — enter your ZIP code:
- Hardiness zones
- 13
- Plant guides
- 129
- Monthly guides
- 156
- Total guides
- 1,421
Free garden tools
Answer in seconds what usually takes a spreadsheet — all tuned to your zone's frost dates.
Deadline checker
Can I still plant it?
A live countdown to your first frost, plus every crop you can still plant today — sorted by days left to decide.
Calendar builder
Build a printable planting calendar
Pick your crops, get a month-by-month sow, transplant & harvest chart for your zone — then print it.
5-question quiz
What should I grow?
Tell us your zone, sun, and space — get a shortlist of plants that will actually thrive for you.
Browse by hardiness zone
Select your USDA zone to see tailored planting guides, frost dates, and crop calendars. Not sure of your zone? Look it up on the USDA map.
Zone 1
Extreme Cold — Alaska Interior & High Mountain Peaks
- Min temp
- -60 to -50 °F
- Season
- 50–80 days
Zone 2
Very Cold — Northern Alaska, Northern Canada, High Rockies
- Min temp
- -50 to -40 °F
- Season
- 75–100 days
Zone 3
Very Cold — Northern Plains, Upper Midwest, Interior Northwest
- Min temp
- -40 to -30 °F
- Season
- 100–130 days
Zone 4
Cold — Upper Midwest, New England, Mountain West
- Min temp
- -30 to -20 °F
- Season
- 120–150 days
Zone 5
Cool-Cold — Great Lakes, Mid-Atlantic Highlands, Rocky Mountain Foothills
- Min temp
- -20 to -10 °F
- Season
- 150–180 days
Zone 6
Temperate-Cold — Mid-Atlantic, Midwest, Pacific Northwest Highlands
- Min temp
- -10 to 0 °F
- Season
- 180–210 days
Zone 7
Mild — Mid-South, Pacific Coast, Southern Appalachians
- Min temp
- 0 to 10 °F
- Season
- 200–225 days
Zone 8
Warm-Temperate — Deep South, Pacific Coast, Lower Midwest
- Min temp
- 10 to 20 °F
- Season
- 225–270 days
Zone 9
Warm — Gulf Coast, Central Valley, Desert Southwest Margins
- Min temp
- 20 to 30 °F
- Season
- 270–310 days
Zone 10
Subtropical — South Florida, Southern California, Hawaii Lowlands
- Min temp
- 30 to 40 °F
- Season
- Year-round (365 days)
Zone 11
Tropical — Florida Keys, Hawaii, Southernmost California
- Min temp
- 40 to 50 °F
- Season
- Year-round (365 days)
Zone 12
Tropical — Puerto Rico, US Virgin Islands, Hawaii (sea level)
- Min temp
- 50 to 60 °F
- Season
- Year-round (365 days)
Zone 13
Tropical Hot — Hawaii (lowest elevations), Guam, American Samoa
- Min temp
- 60 to 70 °F
- Season
- Year-round (365 days)
Three ways to use this guide
By zone
Every zone has its own hub page with frost dates, growing season length, climate overview, and links to all monthly and category guides.
By month
Each month × zone combination shows exactly what to sow, transplant, and harvest — with colour-coded task cards and notes.
By sun exposure
Find the best plants for your specific spot — full sun, partial shade, or full shade — filtered to your zone.
Right now
What to do in October
October is prime fall planting and harvest month. Cool-zone gardens wrap up the warm season and prepare for winter. Warm zones enter their second growing season — one of the most productive times of year. Fall color peaks across the country.