Center for Landscape & Urban Horticulture
University of California
Center for Landscape & Urban Horticulture

Welcome!

Oak Trees on Golf Course
Welcome to the Center for Landscape and Urban Horticulture (CLUH), an information resource of the University of California Cooperative Extension (UC Cooperative Extension). The CLUH supports UC Cooperative Extension educational and applied research programs serving California's environmental horticulture industry. This site features science-based information on:

 

Please review our Mission Statement.

 

Low Water Landscape
For the latest science-based information on landscape water needs, please visit our pages under Landscape Water Conservation and Irrigation Management.

 

 

 

Cactus Garden LA Arboretum
Information is contributed by University of California Cooperative Extension scientists. All content is reviewed by these or other experts to assure it is authoritative and science-based. Featured are summaries of technical topics, fact sheets, newsletters, reports, commentary, and web links.

 

 

Calif. water use pie chart 2015
THE 9%: Landscape irrigation accounts for just 9% of water use in California, yet landscapes are under relentless attack as California confronts ongoing drought.  The facts presented here show how these attacks are misguided and that there are ways to conserve water without degrading landscape plantings.

 

Does the landscape you manage have a water budget or water conservation goal that seems impossible to meet? Read about Five Simple Steps for Conserving Landscape Water.

Wet_grass

 

For Home Gardening information and resources, please visit the University of California Garden Web 

Raised Bed Gardening

UPCOMING EVENTS

What's new in Landscape and Urban Hort?

Using hydrogels to develop a yellowjacket bait

Figure 1. Western yellowjacket baiting with the hydrogel bait. After a short handling behavior on the bait, yellowjackets flew away with a small piece of the hydrogel bait. (Credit: DH Choe)

Many parks, recreational areas, and outdoor venues in California are home to yellowjacket wasps (Vespula spp.). Yellowjackets are commonly attracted to human food items, creating a serious nuisance and a potential stinging threat. If found, nests...

Online training courses and webinars available from UC Statewide Integrated Pest Management Program

chemical resistant gloves

This spring if you are looking for options to obtain your continuing education units (CEUs) and not sure where to get them, why not check out the online options that the UC Statewide IPM Program (UC IPM) has to offer. For license and certificate holders...

"Virus Shut Out" is Illegal Product in U.S.

Front

U.S. EPA Acts to Protect the Public from Unregistered “Virus Shut Out” Product Imported into Honolulu and Guam Unsubstantiated claims to protect against viruses threaten public health   HONOLULU – Today, the U.S....

Detecting Drywood Termites in Structures with Microwave Technology

Figure 1: Western drywood termite (<i>Incisitermes minor</i>) immatures. (Credit: S. Taravati)

Western drywood termites (Incisitermes minor, Figure 1) are an important pest of structural wood in California, causing millions of dollars in damage annually. These termites are very cryptic, hidden in their galleries within wood members (pieces of...

Pests and COVID-19

Ants and other pests aren't deterred by human health concerns. (Credit: Jack Kelly Clark)

Like you, we at the UC Statewide IPM Program are responding to the COVID-19 situation in ways that help protect ourselves, our families, and our communities. While much of the world's normal human activities have largely come to a halt, pests such as...

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