Hardiness Zone 5: -20 to -10 °F

Zone 5 covers places whose average annual extreme winter low falls between -20 and -10 °F (-28.9 to -23.3 °C). The Midwest, the lower Great Lakes, and much of New England and the Mid-Atlantic highlands.

Zone 5 facts

Full band-20 to -10 °F (-28.9 to -23.3 °C)
Zone 5a (colder half)-20 to -15 °F
Zone 5b (warmer half)-15 to -10 °F
Where it occursThe Midwest, the lower Great Lakes, and much of New England and the Mid-Atlantic highlands.
Yards on YardShare tagged zone 5277

Plants rated hardy to zone 5 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.

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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.