When choosing decorative trees in Pennsylvania , pay tending to the unequaled environmental characteristics of your state ; the legal age of Pennsylvania falls within USDA hardiness zones 5 and 6 with smaller areas in zones 4 and 7 . Identify ornamental Sir Herbert Beerbohm Tree that expand in Pennsylvania ’s typically humid climate , warm summers , approximately 100 days of freezing winter temperatures and evenly distribute rain of 35 to 54 inches mainly during the spring and summer months .
Colorado Blue Spruce
Colorado risque spruce ( Picea pungens Engelm . ) is a widely planted , non - native evergreen ornamental tree in Pennsylvania , concord to the Pennsylvania Department of Conservation and Natural Resources . This ornamental spruce tree exhibit blue - green and silver - dark-green needle that measure roughly 3/4 column inch to 1 in in length as well as cones that measure 2 to 4 in in length . With a slow to medium increment rate , the Colorado down in the mouth spruce thrives in full sunlight and moist , well - drained soil , and grows to a pinnacle of 30 to 90 feet with a width of 10 to 20 foot , according to the NC State University Cooperative Extension .
Eastern White Pine
Eastern white pines ( Pinus strobus L. ) are common , aboriginal ornamental Tree in Pennsylvania , found in both moist and dry woodlands across the state , grant to the Pennsylvania Department of Conservation and Natural Resources . Also , evergreen Eastern white pines display soft , blue - green needles that form groups of 5 as well as brown cones that turn to a length of 5 to 8 inches . With a rapid growth rate , easterly white pine trees thrive in full sun to fond specter and prefer moist , well - drained soil . This ornamental Sir Herbert Beerbohm Tree grows to a height of 50 to 80 metrical unit and a width of 20 to 40 feet , grant to the NC State University Cooperative Extension .
Flowering Dogwood
Flowering dogwood ( Cornus florida L. ) are usually establish , aboriginal decorative tree diagram in Pennsylvania , allot to the Pennsylvania Department of Conservation and Natural Resources . Deciduous flowering dogwoods display small fleeceable - white-hot or yellow flowers backed by whitened , pink , or red bracts ( folio - like anatomical structure that appear to be peak petals ) with gullible foliage ; flowering dogwood tree yield glossy carmine berries during the declension time of year . With a slow to moderate development rate , these cosmetic tree in Pennsylvania expand in fond shade , prefer moist , well - drain soil , and give a height of 15 to 30 feet with a breadth of 15 to 20 foot , according to the NC State University Cooperative Extension .
Common Honeylocust
coarse honeylocusts ( Gleditsia triacanthos L. ) are decorative trees in Pennsylvania that grow course on wet sites in the southwest realm of Pennsylvania , accord to the Pennsylvania Department of Conservation and Natural Resources ; common honeylocusts are planted across the entire state . Common honeylocusts display scandalmongering - gullible flowers , dark-brown seed fuel pod , and green foliage . This deciduous ornamental tree has a rapid growth pace , flourish in full sun , is adaptable to a wide range of territory types , and reaches a height of 50 to 75 foot with a width of 25 to 40 feet , according to the NC State University Cooperative Extension .
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