Welcome to the Center for Landscape and Urban Horticulture, an information resource of the University of California Cooperative Extension (UC Cooperative Extension). It supports UC Copperative Extension educational and applied research programs serving California's environmental horticulture industry.

The Center provides environmental horticulture professionals, and others interested in urban horticulture, ready access to research-based information centered on:

• landscape water management and conservation.
• urban tree management and selection.  
• assistance for consumers of horticultural products and services.  

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 fact sheets, newsletters, reports, commentary, and Web links. 

New features for October:

A Brief Review of The Asian Citrus Psyllid (ACP) NEW!

New Pygmy Date Problem 

Easy Lawn Irrigation Calculator

Seasonal Tips the featured plant  is Indian hawthorn

Easy Calculators for Estimating Landscape Water Needs

"NEW" home gardening web site