Hardiness Zone 4: -30 to -20 °F

Zone 4 covers places whose average annual extreme winter low falls between -30 and -20 °F (-34.4 to -28.9 °C). The Upper Midwest, the Great Lakes region, and interior New England.

Zone 4 facts

Full band-30 to -20 °F (-34.4 to -28.9 °C)
Zone 4a (colder half)-30 to -25 °F
Zone 4b (warmer half)-25 to -20 °F
Where it occursThe Upper Midwest, the Great Lakes region, and interior New England.
Yards on YardShare tagged zone 437

Plants rated hardy to zone 4 should survive an average winter low in this band. Summer heat, rainfall, soil, and microclimates still decide the rest, and the full researched zone guide is being built for this page.

Browse all zone 4 yards

Data: 2023 USDA Plant Hardiness Zone Map (USDA and PRISM Climate Group, Oregon State University). Yard counts and photos are live from the YardShare archive; member-entered zone tags are shown as members set them.