Controlling unwanted trees, shrubs, and woody perennial grasses can be difficult in landscapes, gardens, and natural areas. These troublesome woody plants often resprout after being cut back, and the resprouting shoots can outnumber the original plants. Some woody weed plants are natives but in certain settings can create fire hazards and become problematic to human health and movement.
So how can you manage plants like ivy, bamboo, and poison oak?
A new version of Pest Notes: Woody Weed Invaders, authored by UC Davis plant scientists Joseph DiTomaso and Guy Kyser, is now available online and in print. Use this guide to find answers to the...
If you have ants climbing up and down trees and shrubs in your landscape, and your trees and shrubs appear to have a sticky substance covering their leaves, you'll want to watch UC IPM's newest YouTube video, “Using a Sticky Barrier to Prevent Ants on Trees and Shrubs”.
The short video explains that the sticky substance on your leaves is honeydew, a sugary substance excreted by aphids, psyllids and a few other plant pests. Ants harvest this...