Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zones by state

Every state with its range of 2023 USDA hardiness zones. Pick a state for its zone map, the zone of every town and ZIP code, and local frost dates.

Small states:CT6a–7bDE7a–8aDC7b–8aMA5b–7bNH4a–6bNJ6b–8aRI6b–7bVT4a–6a

Each state is colored by its most common 2023 USDA zone. Hover or tap a state, then open it for the zone of every town and ZIP code.

Alabama7b–9bAlaska1a–8bArizona5b–10aArkansas7a–8bCalifornia5b–11aColorado4a–7aConnecticut6a–7bDelaware7a–8aDistrict of Columbia7b–8aFlorida8b–11bGeorgia7a–9aHawaii10b–13aIdaho4a–7bIllinois5a–7aIndiana5b–7aIowa4b–6aKansas6a–7aKentucky6b–7bLouisiana8b–10aMaine3b–7aMaryland6a–8aMassachusetts5b–7bMichigan4a–7aMinnesota3a–5aMississippi7b–9aMissouri5b–8aMontana3b–6bNebraska5a–6aNevada5a–10aNew Hampshire4a–6bNew Jersey6b–8aNew Mexico5a–8bNew York4a–7bNorth Carolina6b–9aNorth Dakota3b–4bOhio6a–7aOklahoma6b–8aOregon5b–9bPennsylvania5b–8aPuerto Rico11b–13bRhode Island6b–7bSouth Carolina8a–9bSouth Dakota4a–5bTennessee6b–8aTexas6b–10bUtah4a–8bVermont4a–6aVirginia6a–8bWashington6a–9bWest Virginia5b–7aWisconsin3b–6aWyoming4a–5b

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.