Each tree species has special requirements for care. Knowing the history, culture, concerns, and management practices is Bartlett's business. With our extensive research lab, we make it our business to learn everything there is to know to keep your trees healthy. Explore information on the common tree species in your area.
SEARCH OUR TREE SPECIES LIBRARY
The fungus Rhizosphaera kalkhoffii causes premature needle drop on spruce and pines. Colorado Blue spruce is most susceptible, followed by Englemann, white and Norway spruce. Significant levels of defoliation will result in loss of tree vitality and early death.View More