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Cankers
Cankers are caused by various species of fungi that infect wounded or stressed trees. The canker itself is the dead area on the bark that can be found on the trunk or branches.
Spring bloom partly to blame for extensive storm damage, arborists say
Ian Laidlaw from Davey's Ottawa, Ontario, office explains what the tree damage was like after this storm and what we should be doing to our trees to protect them.
Fast Growing Trees That Deer Likely Won’t Damage
Read about what to do if you’re looking for a quick-growing tree that deer won’t chow down.
Yes, Delaware’s spring allergy season is starting now and getting longer. Here’s why.
In this Delaware Online article, Mike Holleran from Davey’s Wilmington office talks about why many tree species are “ahead of schedule” when getting ready to bloom.
Why Do My Palm Tree’s Leaves Have White Spots?
Palm Tree’s Leaves Have White Spots? Keep reading for a quick rundown on why palm leaves turn white and what you can do.
Phytophthora Bleeding Canker
Phytophthora bleeding canker is a disease caused by multiple species of Phytophthora, which invade the bark and outer sapwood of trees.
The Best and Worst Trees to Plant Near a House (By Zone)
Learn about the worst trees to plant near your house and what trees to avoid such as the white ash and oak because of their widespread, invasive roots.
Besieged by an invasive pest, America's ash trees are dying. Meanwhile, Thurmont is saving theirs.
Lou Meyer and John Jastrzembski from Davey's mid-Atlantic region talk about the work they perform for Thurmont, Maryland, to protect ash trees from the emerald ash borer.
Best Trees to Plant on Hillsides & Slopes (Evergreen and Shade)
Wondering what to plant on a slope to prevent erosion? Find the best evergreen and shade trees to plant on hillsides and steep slopes.
Do Cicadas Damage or Eat Trees?
Cicadas don't eat trees, but do damage trees, like fruit or oak trees. Learn what trees cicadas like, how to keep cicadas off trees and when cicadas will go away!
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