Urban Trees

Sort by:
Updated: June 28, 2021

Mulching Trees and Shrubs

What purpose mulch serves and how to apply it properly.
mulch
Updated: June 14, 2021

What Causes Trees to Die?

Not all plant problems are caused by insects and diseases. Many tree and shrub problems are due to environmental issues or planting errors.
oak death from drought
Updated: May 24, 2021

Seiridium and Botryosphaeria Canker of Leyland Cypress

Individual Leyland cypress branches die (flagging) is a sign of cankers or lesions from fungal diseases.
brown branch tips of leyland cypress - seiridium canker symptoms
Updated: May 24, 2021

Ornamental Fruit Tree Problems

Prevent, diagnose and manage ornamental fruit tree problems
crabapple and apple blossoms
Updated: May 24, 2021

How Do You Decide When to Remove a Tree?

Factors to consider when removing a tree.
tree decline - dead branches in canopy
Updated: May 19, 2021

Pruning Tree and Shrub Basics

The basics of pruning trees and shrubs
sycamore branching structure
Updated: May 19, 2021

Watering Trees and Shrubs

Watering tips for trees and shrubs
garden hose
Updated: May 19, 2021

Planting a Tree or Shrub

How to plant a tree or shrub
tree planting illustration
Updated: May 19, 2021

Purchasing Trees and Shrubs

Woody trees and shrubs might be sold as bare root, B&B, or container grown.
types of woody planting stock
Updated: May 19, 2021

Plants for Mixed Privacy Screens

Don't fall into the trap of selecting plants not suitable for the location or planting them too close together.
evergreen screen plants