Evergreen trees retain their needles or leaves throughout the wintertime , as opposed to the deciduous types that throw their leave-taking . Conifers such as the western white true pine may keep the same needles for as long as 4 year , accord to the " Trees of North America " field usher . Others , like the sequoia , sequoia , spruce , hemlock and true fir , will not drop their leaf when it turns cold . Different trees that have leaves also follow suit , maintaining their parting despite the turning of the pages on the calendar .
Oaks
Live oak is the Georgia body politic tree diagram and its leave rest on throughout winter across its range in the southern state , which prolong as far to the west as Texas . It get its name from its farewell hang onto the subdivision until , one by one , they gain replacements in the springiness months . Live oak tree has a cousin , myrtle oak , which is an evergreen species with reach include the Gulf Coast of Alabama and most of Florida . The laurel oak of the Midwest keep its leaves , even as they deepen from green to a brownish - scandalmongering , through the wintertime as well .
Magnolias
The leaves of the southern magnolia stay on the Sir Herbert Beerbohm Tree class - round . They are thick and have a leathery experience to them , with a glossy green upper surface and a duller underside . Sweetbay is a type of magnolia that in the northern part of its geographical reach sheds its leaves , while superintend to remain evergreen in the southern states where it grows . The upper surfaces of these leaves are light-green , but the underneath surfaces have a frosted coming into court . The sweetbays of the North are only about half the sizing of the specimens that exist in the South .
Others
pile laurel can grow to the sizing of a small tree across much of its compass in the eastern states . Those in the southern section of the Appalachian Mountains may be much grandiloquent than the typical 6- to 12 - fundament individuals that grow on side and hillside in northerly states like Maine and New Hampshire . American holly , which grows in the Deep South and through Southern New England , may attain 50 feet in tiptop . Its evergreen leaf have a shrewd peak , and the edges possess spiny protrusions , as anyone who has handled them will attest . Dahoon is another holly species that grows in the South , with oblong evergreen plant leaves . The mangrove tree diagram that flourish in brackish water along the Florida coast are evergreen as well .
