According to the 2023 USDA Hardiness Zone Map Heeia, Hawaii is in Zones 11b (45°F to 40°F), 12a (50°F to 45°F) and 12b (55°F to 50°F). This is a change from the 2012 USDA Hardiness Zone Map which has Heeia in Zones 12b (55°F to 50°F) and 13a (60°F to 55°F).