Pests in the Urban Landscape

Invasive Spotlight: Asian Citrus Psyllid and Huanglongbing Disease

As part of our coverage of California Invasive Species Action Week, today we focus on a pair of...

Oranges

Oranges

California Invasive Species Action Week

Did you know that every 60 days, a new and potentially damaging invasive species enters...

Giant reed invading a waterway. (Credit: Joseph M. DiTomaso)

Giant reed invading a waterway. (Credit: Joseph M. DiTomaso)

Nutgrass Can Drive You Nuts

Nutgrass, also called nutsedge, could easily be one of the top 5 nuisance weeds gardeners deal with...

Curling Leaves on Plants

If you are puzzled by curling leaves on plants in your garden or landscape, you may need to do some...

Plant problem diagnostic tool menu.

Plant problem diagnostic tool menu.

Asian Citrus Psyllid Found in San Luis Obispo County

San Luis Obispo County has seen more than 20 detections of Asian citrus psyllid (ACP) since...

Lemons on a tree. (Credit: Pixabay.com)

Lemons on a tree. (Credit: Pixabay.com)

Actual size of Asian citrus psyllid. (Credit: B. Grafton-Cardwell)

Actual size of Asian citrus psyllid. (Credit: B. Grafton-Cardwell)

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