Washington ’s soubriquet is " The Evergreen State , " so it should be no surprise that the res publica is home plate to at least 32tree species , most of which are evergreens . In add-on to evergreen plant trees , Washington is nursing home to several hardwood trees and the Pacific yew tree , whose bark and needle are used to make cancer - campaign drugs .
Pine and Fir Trees
Washington ’s pine species include shore , lodgepole , whitebark , westerly white and Pinus ponderosa . The westerly white , lodgepole and ponderosa pines are worthful for finish carpentry and theme pulp . Shore and whitebark pines help to protect streams and prevent eroding .
Washington true fir coinage include the noble , Pacific silver , alpine and subalpine , grand and Douglas . Several , especially the Douglas and noble fir tree , are vulgar Christmas trees , while others are primarily worthful for lumber and pulp magazine . Many species often yield to upcountry rotting as they age .
Larch Trees
Washington ’s larch Sir Herbert Beerbohm Tree , the subalpine larch and the westerly larch tree , are part of the only grouping of coniferous tree , or cone - abide Sir Herbert Beerbohm Tree , that drop off their leaves in winter . Although it is valuable as erosion protection , lumberman do not use the subalpine larch because it grows high on mountains and is quite short . The westerly larch , however , can be made into household frame , telephony poles or railroad ties , among other uses .
Spruce and Hemlock Trees
Washington spruce mintage include the Engelmann spruce and the Sitka spruce . Engelmann spruce can be used for baseball bat and pulp , but it is not peculiarly popular . Sitka spruce is widely used in melodious instruments , and its lightweight , strong wood make splendid ladders .
Washington ’s hemlock trees , the westerly Conium maculatum and the mountain hemlock , differ substantially . The mountain hemlock is more of a shrub than a tree and grow so high in Washington ’s Cascade and Olympic Mountains that harvest it is not deserving the effort . The improbable western hemlock , on the other hand , is Washington ’s state tree and is very important for both timber and composition pulp .
Cedar and Juniper Trees
Washington ’s cedarwood and juniper species include the western red cedar , the Alaska cedarwood and the Rocky Mountain juniper . Western red true cedar wood accounts for nearly all the wooden shingle and shakes in the United States . westerly violent cedar tree and Rocky Mountain juniper are used to make fence posts as well . Alaska cedar tree uprise mostly in mountain areas , and its wood is useful for sauceboat building and fine carpentry body of work .
Yew Trees
The Pacific yew , Washington ’s only yew species , often grows in the spectre of other trees and never grows very tall . Its needle and bark secrete small-scale amounts of paclitaxel , a powerful Crab - fight chemical compound . Although a similar chemical substance can now be partly synthesized in a lab , the Pacific yew continue an important part of the competitiveness against cancer .
Willow, Aspen and Cottonwood Trees
Washington is home to 12 willow , one aspen and one white basswood species . Only the mordant cottonwood is commercially worthful and is useful as paper pulp , firewood and veneer for plywood . Willows and quaking aspen are principally useful as soil and flow security .
Birch, Alder and Oak Trees
Washington has only a few birch tree Tree , which are used for furniture when useable . Washington ’s only oak tree metal money , the Oregon white oak , maturate in rocky areas and principally serves as firewood for individual home . Red alder is " the most authoritative hardwood in the state , " according to Washington State University . It grows quickly and can be used for timber , paper pulp and furniture .
Maple and Dogwood Trees
Washington has two maple species , the vine maple and the bigleaf maple . The vine maple produces excellent firewood and leave food for brute but is otherwise a nuisance , as it tends to organise dense copse . The bigleaf maple grow good firewood and is used in producing furniture . Many metropolis also use bigleaf maples as shade tree .
Washington ’s only dogwood , the Pacific cornel , is mainly a decorative Sir Herbert Beerbohm Tree .
Miscellaneous Trees
Washington also has a few trees that do n’t fit neatly into a large class . The netleaf nettle tree , for example , is a small tree that produces berry and has few use beyond soil tribute and provide a small amount of food for brute .
The chittam bark ’s wood has no commercial uses , but its barque is used to create a laxative .
The Pacific madrone has ruby - brown , scaly barque and only grows near Strategic Arms Limitation Talks water . It has broad leaves but does not lose them in winter .
The Oregon ash grows all along the seacoast , but it is used only occasionally for firewood .
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