Welcome!

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.

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

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.

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.

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

UPCOMING EVENTS

What's new in Landscape and Urban Hort?

Brown Recluse Spiders? Not in California!

Adult brown recluse spider, <i>Loxosceles reclusa</i>. (Credit: R Vetter)

If you were to ask an audience of more than a few people if they or anyone they know has ever seen or been bitten by a brown recluse spider in California, many hands would be raised. This is quite remarkable because the brown recluse spider has NEVER...

Gardening books on sale!

Spring is here and so are the pests. The University of California Agriculture and Natural Resources has the books that can help you learn about the insects, diseases, wildlife, and weeds that might be causing problems in your garden or...

Bees on the Baseball Field

It's not often that we get to mix baseball and pests in our blog, but today we learned that the San Francisco Giants and Cincinnati Reds game was delayed by almost 20 minutes due to swarming bees. You can read different takes on this story from the...

Answers: It's a Trap!

Pheramone trap for Indian meal moths (Credit: CA Reynolds)

Here are the answers to the traps pictured in yesterday's blog post. How did you do? Let us know in the comments section. As long as you use integrated pest management when seeking to fend off your pest enemies, you can be assured that...

It's a Trap!

In honor of May the 4th, the Star Wars fans here at the UC IPM Program thought we'd have some fun with that well-loved line from Episode VI. Instead of strategies to conduct intergalactic battles, the traps we like to talk about are the ones for...