Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Maine which ranges from USDA Zone 3b to USDA Zone 5b. See full list on plantmaps.comView allJul 28, 2024 · You can find your Maine planting zone by using our ZIP code tool or the Maine city planting zone map. Both tools, available below in the post, will show your exact USDA growing zone. · The map on this page is the USDA map of planting zones for Maine. This map will help you to find your USDA Maine hardiness zone. If you live in Maine, you live in one of these hardiness zones. Discover Maine growing zones, frost dates, and what to plant in every region, from coastal gardens to northern woods with our zone guide. · Wondering what PlantingZone is Maine? Find out the USDA zones by city, see a growing calendar, and get tips for gardening in maine's climate. Find your USDA plant hardiness zone anywhere in Maine with our interactive mapping tool. Whether you're planning a garden, choosing landscape plants, or just curious about growing conditions in your area, this easy-to-use map provides instant access to your local growing zone. · You can find your Maine planting zone by using our ZIP code tool or the Maine city planting zone map. Both tools, available below in the post, will show your exact USDA growing zone. · The map on this page is the USDA map of planting zones for Maine. This map will help you to find your USDA Maine hardiness zone. If you live in Maine, you live in one of these hardiness zones. Discover Maine growing zones, frost dates, and what to plant in every region, from coastal gardens to northern woods with our zone guide. · Wondering what PlantingZone is Maine? Find out the USDA zones by city, see a growing calendar, and get tips for gardening in maine's climate. Find your USDA plant hardiness zone anywhere in Maine with our interactive mapping tool. Whether you're planning a garden, choosing landscape plants, or just curious about growing conditions in your area, this easy-to-use map provides instant access to your local growing zone. Discover Maine growing zones, frost dates, and what to plant in every region, from coastal gardens to northern woods with our zone guide. · Wondering what PlantingZone is Maine? Find out the USDA zones by city, see a growing calendar, and get tips for gardening in maine's climate. Find your USDA plant hardiness zone anywhere in Maine with our interactive mapping tool. Whether you're planning a garden, choosing landscape plants, or just curious about growing conditions in your area, this easy-to-use map provides instant access to your local growing zone. · Maine spans Plant Hardiness Zones 3-6. Each zone is based on the 30-year average of the single coldest temperature recorded each winter. Zone 3 is 10 degrees F colder than Zone 4, etc. In addition, each zone is split in half.