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Interactive USDA Gardening and Plant Hardiness Zone Map for Maryland

Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of Maryland which ranges from USDA Zone 5b to USDA Zone 7b.

USDA Zone 5b

-15°F to -10°F

USDA Zone 6a

-10°F to -5°F

USDA Zone 6b

-5°F to 0°F

USDA Zone 7a

0°F to 5°F

USDA Zone 7b

5°F to 10°F

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.

Zone Maps for Adjacent States

District Of Columbia Zone Map
Delaware Zone Map
Pennsylvania Zone Map
Virginia Zone Map
West Virginia Zone Map

Other Interactive Gardening Maps and Data for Maryland

Interactive Maryland Drought Monitor Map
Maryland First Frost Date Map
Maryland Last Frost Date Map
Interactive Map of Maryland Drought Conditions
Interactive Map of Maryland Heat Zones
Interactive Map of Maryland Ecoregions
Interactive Maps of Native Maryland Trees and Plants
Interactive Maryland Plantmaps Hardiness Zone Map

Zoom to Major Cities in Maryland

Zoom to Baltimore USDA Zone 7aBaltimore - USDA Zone 7a
Zoom to Columbia USDA Zone 6bColumbia - USDA Zone 6b
Zoom to Salisbury USDA Zone 7aSalisbury - USDA Zone 7a
Zoom to Silver Spring USDA Zone 6bSilver Spring - USDA Zone 6b

Interactive Maps of Maryland Native Plants Distribution Areas

Acer rubrum - red maple Map
Acer saccharinum - silver maple Map
Alnus maritima - seaside alder Map
Alnus serrulata - hazel alder Map
Amelanchier arborea - downy serviceberry Map
Aralia spinosa - devils walkingstick Map
Asimina triloba - pawpaw Map
Baccharis halimifolia - eastern baccharis Map
Betula nigra - river birch Map
Carpinus caroliniana - American hornbeam Map
Carya cordiformis - bitternut hickory Map
Carya glabra - pignut hickory Map
Carya tomentosa - mockernut hickory Map
Castanea dentata - American chestnut Map
Castanea pumila - Allegheny chinkapin Map
Celtis occidentalis - hackberry Map
Cephalanthus occidentalis - common buttonbush Map
Chamaecyparis thyoides - Atlantic white cedar Map
Chionanthus virginicus - fringetree Map
Cornus florida - flowering dogwood Map
Diospyros virginiana - common persimmon Map
Fagus grandifolia - American beech Map
Fraxinus americana - white ash Map
Fraxinus pennsylvanica - green ash Map
Hamamelis virginiana - witch hazel Map
Ilex laevigata - smooth winterberry Map
Ilex opaca - American holly Map
Ilex verticillata - common winterberry Map
Juglans nigra - black walnut Map
Juniperus virginiana - eastern redcedar Map
Kalmia latifolia - mountain laurel Map
Liquidambar styraciflua - sweetgum Map
Liriodendron tulipifera - yellow poplar Map
Magnolia tripetala - umbrella magnolia Map
Magnolia virginiana - sweetbay Map
Malus angustifolia - southern crab apple Map
Morus rubra - red mulberry Map
Myrica cerifera - southern bayberry Map
Myrica pensylvanica - northern bayberry Map
Nyssa sylvatica - black tupelo Map
Oxydendrum arboreum - sourwood Map
Persea borbonia - redbay Map
Pinus echinata - shortleaf pine Map
Pinus serotina - pond pine Map
Pinus taeda - loblolly pine Map
Pinus virginiana - Virginia pine Map
Platanus occidentalis - American sycamore Map
Populus grandidentata - bigtooth aspen Map
Populus heterophylla - swamp cottonwood Map
Prunus serotina - black cherry Map
Quercus alba - white oak Map
View More Interactive Maps of Maryland Plants and Trees...