Maine Plant Hardiness Zone Map
In 2023 the USDA issued new Plant Hardiness Zone Maps.
In addition to the Maine map, an interactive map is available at http://planthardiness.ars.usda.gov.
Our office is open to the public Tues. - Fri. 9:00 a.m.- 2:30 p.m. or by appointment.
In 2023 the USDA issued new Plant Hardiness Zone Maps.
In addition to the Maine map, an interactive map is available at http://planthardiness.ars.usda.gov.