- Author: Karey Windbiel-Rojas
![Pecking damage by woodpeckers.[Credit: James Jay Farrar]](https://ucanr.edu/blogs/UCIPMurbanpests/blogfiles/90421small.jpg)
Woodpeckers are well known, colorful birds often found in wooded neighborhoods and forested areas. While they are wild creatures many people appreciate, they can become a pest problem when they damage buildings in search of food and nest building materials, or a nuisance pest with their rhythmic drumming.
Both male and female woodpeckers drum with their beaks to proclaim their breeding behavior and social dominance. Their pecking can cause structural damage, leaving gaps and holes in wood as they search for insects. Acorn woodpeckers create or find holes in buildings, fence posts, and utility poles to store acorns. Woodpeckers can also damage trees when they remove the bark to access the insects hiding underneath.
But...
- Author: Belinda J. Messenger-Sikes
(Credit: Jack Kelly Clark)
All mistletoes infest and grow as parasites on trees and large shrubs. In some cases, the host plant can be severely damaged. But recent studies have shown that broadleaf mistletoes can shelter and feed wildlife, including birds and small mammals. So, mistletoes are both parasitic plants and bird food!
Because mistletoes can damage trees, you may decide to do something about mistletoes infesting your trees. The first step is to find out whether you're dealing with broadleaf or dwarf mistletoe. Mistletoes differ in their life cycles, the damage they cause and management methods. UC Cooperative Extension Advisors Igor Lacan (San Mateo and San Francisco Counties), Steven Swain (Marin County) and Ed Perry (Stanislaus County,...
- Author: Elaine Lander
- Author: Karey Windbiel-Rojas
Recent wet weather in many parts of the state has spurred emergence of winter weeds. How these weeds are managed varies by the type of weed and where it's growing. In IPM, identification is always the first step toward effective pest management. A few common weeds you may be seeing in your garden or landscape now are profiled below.
Oxalis
Also known as Bermuda buttercup, buttercup oxalis, or sourgrass, this weed grows throughout California's coastal and inland landscapes. It can be a weed in lawns, flowerbeds, groundcovers, and shruby areas around the home. It has an upright growth with 3 heart-shaped leaflets and produces bright yellow flowers in late winter or early spring. See
We all encounter pests in our homes, gardens, and landscapes, but which ones are most popular in California? While we can't say for certain, website traffic to UC IPM's Pest Notes gives us a glimpse of popular pests. Here are the top ten most frequently viewed publications in 2021.
1. Aphids
These insects may be small, but they can quickly build up large populations. With many different species in California that feed on vegetables, flowers, fruit trees, and woody ornamentals, aphids are a common sight in landscapes and gardens. Year after year, aphids continue to hold the top spot. Learn more about aphids and their management in
- Author: Lauren Snowden
- Posted by: Elaine Lander
Originally posted on the UC Master Gardener Program Statewide Blog
During the holiday season many plants, cut flowers and flowering bulbs are used as decoration and given as gifts. Many of these items can be poisonous to both humans and pets with long-term negative effects to one's health. Plant poisoning can range from simple rashes and blisters all the way to organ damage and in severe cases death. Be safe this holiday season by being mindful of what plants and flowers you are either giving, receiving or decorating...
