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What are Hardiness Zones, Gardening Zones, Growing Zones and Plant Zones?
Hardiness Zones, Gardening Zones, Growing Zones and Plant Zones refer to defined geographic regions that can support specific plants, flowers and trees. The zones define a minimum range of temperatures that a plant or tree can survive safely in that zone. The most commonly used Hardiness Zones were defined by the USDA. The USDA provides a hard copy map that displays these zone throughout the US. The last update to this map covers minimum temperatures from 1961 to 1990. An updated map is currently in production, but has not been released yet. Plant Maps provides the only interactive version of the USDA hardiness zone map available on the internet.
Other Interactive Gardening Maps and Data for Maine
Interactive Maine Drought Monitor MapMaine First Frost Date Map
Maine Last Frost Date Map
Interactive Map of Maine Drought Conditions
Interactive Map of Maine Heat Zones
Interactive Map of Maine Ecoregions
Interactive Maps of Native Maine Trees and Plants
Interactive Maine Plantmaps Hardiness Zone Map
Zoom to Major Cities in Maine
Bangor - USDA Zone 5aPortland - USDA Zone 5bPresque Isle - USDA Zone 4aInteractive Maps of Maine Native Plants Distribution Areas
Abies balsamea - balsam fir MapAcer pensylvanicum - striped maple MapAcer rubrum - red maple MapAcer saccharinum - silver maple MapAcer saccharum - sugar maple MapAcer spicatum - mountain maple MapAlnus rugosa - speckled alder MapAlnus serrulata - hazel alder MapAmelanchier arborea - downy serviceberry MapAmelanchier sanguinea - roundleaf serviceberry MapBetula alleghaniensis - yellow birch MapBetula lenta - sweet birch MapBetula papyrifera - paper birch MapBetula populifolia - gray birch MapCarpinus caroliniana - American hornbeam MapCarya ovata - shagbark hickory MapCastanea dentata - American chestnut MapCephalanthus occidentalis - common buttonbush MapChamaecyparis thyoides - Atlantic white cedar MapCornus alternifolia - alternate leaf dogwood MapCornus florida - flowering dogwood MapCornus racemosa - gray dogwood MapCornus rugosa - roundleaf dogwood MapCornus stolonifera - red osier dogwood MapCorylus cornuta - beaked hazel MapFagus grandifolia - American beech MapFraxinus americana - white ash MapFraxinus nigra - black ash MapFraxinus pennsylvanica - green ash MapHamamelis virginiana - witch hazel MapIlex laevigata - smooth winterberry MapIlex verticillata - common winterberry MapJuglans cinerea - butternut MapJuniperus communis - common juniper MapJuniperus horizontalis - creeping juniper MapJuniperus virginiana - eastern redcedar MapKalmia latifolia - mountain laurel MapLarix laricina - tamarack MapMyrica pensylvanica - northern bayberry MapNyssa sylvatica - black tupelo MapOstrya virginiana - eastern hophornbeam MapPicea glauca - white spruce MapPicea mariana - black spruce MapPicea rubens - red spruce MapPinus banksiana - jack pine MapPinus resinosa - red pine MapPinus rigida - pitch pine MapPinus strobus - eastern white pine MapPlatanus occidentalis - American sycamore MapPopulus balsamifera - balsam poplar MapPopulus grandidentata - bigtooth aspen MapView More Interactive Maps of Maine Plants and Trees...