Whether you're picking out a tree for your landscape or making a list for this season's to-dos, we have your tree care questions answered.
Leaf & Needle Problems
Why ‘Bradford’ Callery Pear Tree Leaves Are Brown, Black or Falling Off
June 14, 2022
Are your Bradford or ornamental pear tree leaves turning black, brown, dying or falling off? Your Bradford pear is likely dealing with a common springtime fruit tree infection: fire blight. Learn more about fire blight and how you can help your tree.
Leaf & Needle Problems
Why Are My Oak Tree Leaves Turning Brown?
September 19, 2019
Is my oak tree dying? Is this oak wilt? The key to diagnosing your browning oak tree is looking past the color and checking for other signs and symptoms.
Trimming & Pruning
Can You Keep Big Trees Small or Limit Tree Height?
April 5, 2022
Learn how you can limit tree height and how to keep big trees small. You can’t actually stop a tree from growing taller or stunt the growth of a tree, but you can limit tree height by pruning it to keep it small. You can even keep a cherry tree or oak tree small by pruning it the right way.
Tree Identification
Tree Identification: Do I Have An Alligator Juniper?
July 20, 2023
Think you have an alligator juniper tree in your yard or maybe you’d like to plant one? Here’s what you need to know about alligator juniper trees and planting tips.
Plant Health Care
Can You Stop A Fruit Tree From Leaking Sap (Cherry, Plum Or Peach)?
May 4, 2022
Colleen said, “I have a plum tree that's oozing sap, and many branches feel dead. Is this OK?” Stop the tree from leaking sap and see if plum tree sap is edible.
Davey Knowledge
Vertical Split In Tree Trunk: Can It Be Repaired?
February 22, 2024
Let’s learn more about what causes a tree trunk to split vertically and how to repair a split tree trunk.
Plant Health Care
Essential Tree Care Tips for Colorado Landscapes
January 23, 2025
Learn more about Colorado’s unique climate conditions and how it impacts tree care for watering, fertilizing, and pruning.
Soil Care & Mulching
Why Is Soil Important for Tree Health and Growth?
April 16, 2026
Why is soil important for trees? Discover how soil structure, nutrients & drainage influence root health & long-term tree growth.
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