Pests in the Urban Landscape

Urban neighborhood and park.

The Pests in the Urban Landscape blog shares the latest sustainable pest management news and information from the UC IPM Urban & Community Program. 

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Buttercup oxalis (Cedit: Jack Kelly Clark)
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Common Winter Weeds

January 25th, 2022
By Karey Windbiel
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.
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Reddish, puckered, distorted leaves infected by peach leaf curl.<br>(Credit: Jack Kelly Clark)
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Peach Leaf Curl, Time to Spray!

January 18th, 2022
If you have peach or nectarine trees that typically have distorted or reddened leaves in spring, they may be affected by peach leaf curl. Peach leaf curl is a fungal disease caused by a fungus that only affects peach and nectarine trees.
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Clothes moths
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Top Ten Pests of 2021

January 12th, 2022
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.
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Spotted Lanternfly adult
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New Year, New Pests

January 10th, 2022
Every year, invasive pests cause billions of dollars of damage to California agricultural systems and natural areas. These pests can be weeds, plant pathogens, insects, vertebrates, shellfish and other aquatic species.
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Poinsettia plants, <i>Euphorbia pulcherrima</i>, has toxic white sap.
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Holiday Season Brings Poisonous Plants into the Home

December 20th, 2021
By Lauren L Snowden
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.
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