Pests in the Urban Landscape

Urban neighborhood and park.

The Pests in the Urban Landscape blog shares the latest resources and information from the UC IPM Urban & Community team to help you sustainably manage pests in the home, garden, and landscape. 

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The green foliage of a small sycamore tree coated with fluffly, white patches of powdery mildew fungus.
Pests in the Urban Landscape: Article

What's That Powdery Stuff on My Plants?

March 5, 2026
By Belinda Messenger-Sikes
Have you seen white powdery-looking patches appearing on the leaves of your roses or sycamore trees? While home gardeners may be familiar with this sign of the plant disease powdery mildew on their veggies, ornamental plants and landscape trees can also be infected. In addition to those powdery spots, the…
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Tree with oranges hanging off the branches.

When Life Gives You Citrus (and Pests)

February 23, 2026
By Yulie Velez
Citrus season is here! And some citrus pests may be too. Perhaps you’ve encountered a few ant problems with your citrus trees, but did you know there are other pests you should be on the lookout for such as psyllids, leafminers, cottony cushion scale, and mealybugs? Read more below for tips on how to…
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Japanese beetle. Credit: D. Cappaert, Bugwood.org)
Pests in the Urban Landscape: Article

National  Invasive Species Awareness Week 2026

February 18, 2026
By Lindsey Hack
This week (February 23-27, 2026) is National Invasive Species Awareness Week (NISAW), an event dedicated to raising awareness about invasive species, the threats they pose, and how we can slow their spread. When it comes to invasive species, your actions can have a big impact! What Can You Do? Take…
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Person wearing gloves pouring liquid from a measuring cup into a spray bottle on cement.
Pests in the Urban Landscape: Article

Upcoming Webinars from UC IPM

February 9, 2026
If you missed our first Urban & Community IPM webinar of the year, Pests of Backyard Chickens, don’t fret, we have more for you! Join us every third Thursday of the month from 12:00pm to 1:00pm PT to learn about a wide range of urban pest management topics. This series is free and open to the…
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