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How Many Tree Species Are There in North America?
In the entire world, there are over 65,000 tree types. The United States alone has 228 billion trees with roughly 30% of the country covered with forests.
Hartney Greymont, a Division of Davey Tree, Expands in Massachusetts
Hartney Greymont, a division of Davey Tree, acquires Carpenter Costin Landscape Management of Danvers, Mass.
Expert shares tips to prepare trees for the growing season
Kevin Sproule from Davey's Edmonton, Alberta office, shares advice to best prepare for the growing season with a spring tree checklist.
Why Is My Tree Covered In Webs?
Tree webworms spin their webs at very tip of branches, while Eastern tent caterpillars spin their webs in tree “pockets.” Find a short list of common trees these tree pests feed on and how to proactively prevent them.
Building SEED: A Vision for 2025 and Beyond
It’s a new year, and Davey is ready to usher in a new era for employee development and research – a vision that’s been about a decade in the making. The much-anticipated SEED (Science, Employee Education and Development) Campus is opening in 2025.
Building a Retaining Wall Near Trees? Or Planting Near a Wall?
Trees and retaining walls can live in harmony. But, to do that, they've got to have their space. Start by...
South American Palm Weevil
These beetles lay eggs in the growing point of the palm and when they hatch the large larvae feed on the growing point tissue (heart of palm).
Davey Resource Group Preserves Historic Cedar Tree In Kent, WA
The City of Kent, WA, contracted DRG for a Level 3 risk assessment on a historic Deodar cedar in Kaibara Park due to safety concerns from its westward lean and visible decay. DRG conducted resistance drilling at 13 sites to assess decay and stability, determining low risk of trunk failure.
Beware of These Invasive Plants in Your Region
Take a look around your commercial landscape. You will likely notice a variety of different plants, shrubs, and trees, in addition to your turf areas. In fact, you’re likely looking at dozens of plant species.
Spring Tree Care: Tree Fertilizer to Replenish Nutrients
Learn the best time to fertilize trees in spring and why fertilizing trees in spring is important to overall tree health, strength, and appearance.
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