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Webinar Description:
In 1990 California Assembly Bill approved the Water Conservation in Landscaping Act. This Act required the State Department of Water Resources to develop the first ever Model Water Efficient Landscape Ordinance. Adopted in 1993, this groundbreaking ordinance embraced the strategy of applying climate-based water budgets to ornamental landscapes across California. Its adoption sent shock waves through the Green Industry and among design professionals. Almost 30 years and several revisions later, it is perhaps time to assess the strengths and weaknesses of this Ordinance.
This webinar brings attention to the relationships between plants, climate, soils, and water. The health and success of ornamental landscapes lies within these relationships. How does an ordinance based on water use efficiency embrace the horticultural factors important to landscape success? Does it enable or restrict good design and horticultural practices?
Let’s begin with a summary about plants and their relationships to climate, soils, and water. This helps us know about the horticulture of a successful landscape. Then, let’s see how well the Model Ordinance embraces this understanding. After all, what good is efficiency when it leads to dysfunctional landscapes?
Learning Objectives:
1. To gain insight about the structure and function of plants; leaves, stems, and roots
2. To highlight the interactions between plants and climate, soil, and water
3. To identify ideas to improve the success of the Model Water Efficient Landscape Ordinance
Robert Perry, Jr.
Bob Perry, is Professor Emeritus from Cal Poly Pomona, and past adjunct Professor of Landscape Architecture at USC. He is a recognized expert in areas of landscape plants and water conserving design throughout California. Bob has written three award winning reference books, including Landscape Plants for California Gardens. This 650-page volume is the most comprehensive color illustrated planting reference available for professionals in California. Bob participated in the California Landscape Taskforce that introduced water budget-based guidelines in the State Model Water Efficiency Ordinance in 1993, as well as an original member of the WUCOLS team regarding estimated water use of landscape species. He was elected as a Fellow in the American Society of Landscape Architects in 1998.
