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.
Insect & Disease Issues
What Disease is Killing My Maple Tree?
November 17, 2022
Here are common signs of an unhealthy maple and how to save a dying maple tree to help you better protect and preserve your favorite tree.
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.
Tree Identification
Tree Identification: Do I Have A Pawpaw Tree?
May 16, 2024
Here are key identification characteristics of a Pawpaw tree to help you identify them and decide whether they might make a great addition to your home landscape.
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 Palm Tree Leaves Turning Yellow (And How to Treat)
March 3, 2022
Learn why your palm tree leaves are turning yellow including how to treat yellow leaves on a Majesty palm tree.
Trimming & Pruning
What Is Tree Topping and Why Topping Is Harmful to Trees
October 11, 2021
You heard it here. Tree topping is not good for trees. Learn why tree topping damages trees and the right way to reduce trees' height.
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.
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.
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