Davey Blog

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.

Home
Residential Blog

Search Davey Blog

Filters

Category

Seasons

Black Knot Fungus Must Credit Joseph Obrien Usda Forest Service Bugwoodorg

Insect & Disease Issues

How To Get Rid of Black Fungus on My Tree’s Trunk or Branches

April 12, 2022

Black fungus on your tree trunk or tree branches? Black knot disease is common in chokecherry trees and plum trees. Although you can eat plums from a tree with black knot, you should still contact an arborist to learn how to get rid of black knot on trees and how you can treat black knot fungus!

Orange Balls Rust On Juniper Tree Davey Tree

Insect & Disease Issues

Treatment for Orange Balls on Cedar & Juniper Trees (Rust Fungus)

July 28, 2022

Have you noticed orange balls on your trees? Some people think they look like slimy worms or octopus tentacles. Learn what they are, how they happen and why they may affect your crabapple or apple tree next!

Plant Health Care

What to Do About Mushrooms Growing at the Base of Trees

November 17, 2021

Have you noticed mushrooms growing around your tree's base or roots? It may be dangerous. Learn how to identify and manage honey fungus on your tree.

Insect & Disease Issues

How to Get Rid of White Fuzzy Fungus on Plants (Powdery Mildew)

July 19, 2022

Notice fuzzy white stuff on your plants or plant stems? It's likely powdery mildew! It generally doesn't harm your tree, but it sure doesn't look good! Get rid of it by...

Moss Algae Lichen Green On Tree Branch Davey Tree

Plant Health Care

What Are These Green Spots on My Tree’s Trunk or Branches?

May 9, 2022

Do you have green fungus on tree branches or green spots on your tree bark? Learn more about tree bark fungus identification and treatment. Often, you’ll see moss, lichen, or algae. None of which hurt the tree, but learn how you can get rid of lichen (if you do it right).

What Is The White Stuff Growing On My Mulch?

July 16, 2019

It’s unpleasant, unattractive, some might even say icky. But it’s a common problem that can pop up in our yards. It’s slime mold. Also known as “dog vomit fungus” or “scrambled egg fungus".

Insect & Disease Issues

Ganoderma Root Rot Treatment

May 20, 2021

“Ganoderma root rot” is a fungus that causes a wood-decaying infection that occurs through tree wounds, and attacks a variety of deciduous trees, such as maples, oaks, and honey locusts, as well as ashes, elms, and some conifers as well as palms. Here are symptoms and signs.

Insect & Disease Issues

Blue Spruce Tree Needles Turning Yellow, Brown, Then Dropping? Check For…

August 1, 2022

Yellow or brown needles falling off your spruce tree or Colorado blue spruce? Look for Rhizosphaera needle cast symptoms and manage this blue spruce needle cast.

Previous
1(current)
2
3
4
5
6
...
8
Next

No Results

No results were found matching that query.

Sign Up For Free Tree & Landscaping Tips!

Subscribe to the "The Sapling," the Davey Blog's email newsletter, for the latest tips to keep your outdoor space in tip-top shape throughout the year.

Plus, receive a free instant download of our landscape seasonal checklists when you sign up!

Get In Touch With Us!

We pride ourselves at Davey Tree on providing prompt, professional and personalized service from certified arborists that live, work and engage in your community. Contact one of our Davey Tree specialists for your residential, commercial, utility, or environmental needs.