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  Guide to the Common Trees of Pennsylvania

Trees | Glossary | Visual Guide | Leaf Parts, Types, & Position

Colorado Blue Spruce
(Needle-Shaped or Linear)
A widely planted ornamental in Pennsylvania, Blue spruce is native to the Rocky Mountains at elevations of 5,900'-10,000'. Slow growing and long lived, specimens can reach 150' high. Cultivated varieties can have silvery-white or golden-yellow needles.

Colorado Blue Spruce
Picea pungens Engelm
enlarge
Leaves
Needles 4-sided, stiff, in-curved and spiny pointed to 1/4", usually blush-green, persist for 7-10 years.
Twigs
Orange-brown turning gray-brown with age, without hairs. Buds dark orange-brown.
Fruit
Cones to 4" long, cylindrical, tapering slightly at the tips, shiny chestnut brown; scales with irregularly toothed margins.
Bark
Relatively thin, scaly and pale gray when young becoming furrowed and reddish-brown with age.

Select a Tree from a menu below, or download the Visual Guide

Needle-Shaped or Linear

  

Wide & Flat: Opposite Arrangement

Wide and Flat: Alternate Arrangement

Information courtesy of:
PA Department of Conservation & Natural Resources
 
 

Whitetailed Deer
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