rhizosphaera needle cast symptoms on a tree

A Beginner’s Guide To Needle Cast Disease

Have you noticed needles on your spruce tree turning brown and falling off? Your tree may have needle cast, a disease caused by the rhizosphaera kalkhoffii fungus. What Is Needle Cast Disease? Needle cast disease will cause old needles to turn brown and fall off, creating a thinned canopy that makes for an ugly tree.…

graphic of crown reduction

Stop Topping Trees – Tree Topping vs Crown Reduction

Customers often ask, what are safer trimming methods that can be used? In the following paragraphs, we will explain the differences between tree topping and crown reduction as well as their benefits and negative impacts they have. What is tree topping? Tree topping is the practice of cutting off the top of a tree’s trunk…

apple scab on an apple

What Is Apple Scab And How Do You Treat It?

Are you noticing brown spots on the leaves or fruit of your apple or crabapple tree? If you are, it is likely apple scab which is a disease caused by a fungus called Venturia inaequalis. Apple scab will ruin the aesthetic value of the tree, and ruin any fruit it produces, the two best things…

evergreen tree roots

Uprooting Evergreen Trees

Spring Weather in St. Louis takes a toll on a number of different plants, one being evergreen trees. These plants can be severely affected by the season’s rainfall and winds, so it’s important to be prepared and informed. 

Leaves

What Do Plant Growth Regulators Do?

Plant growth regulators limit vegetative top-growth of plants – but that’s not all. Growth regulators actually have a number of effects. Read the latest from our plant health care specialists.