Plant Care

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Drip lines and mulch conserve water in the ornamental garden. Laura Lukes
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Keeping Plants Alive When Water is Scarce

July 29, 2025
It hasn’t been a terrible summer, yet it’s been some time since we have seen rain in our area, and some of your plants may be suffering. While you might not be able to save them all, you can take precautions in your garden that will save the plants it makes sense to save, define your gardening priorities,…
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Ceanothus thyrsiflorus in bloom
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Now is a Great Time to Prune Ceanothus (California Lilac)

July 26, 2025
By Cathrin Callas
Going by common names such as Blueblossom, California Lilac or Mountain Lilac, it's not surprising that Ceanothus are popular shrubs for many styles of gardens, with spectacular blooms in colors ranging from pale to very deep blue/purple or white. Blooming in late winter or spring, they are valuable early…
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Irrigation
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Smart Irrigation Month: A Call to Action for Water Efficiency in California

July 24, 2025
By Esther N Lofton
Why Smart Irrigation Matters Now More Than Ever As Southern California enters the peak of summer, water agencies, utilities, and residents are turning their attention to one of the region’s most pressing challenges—sustainable water use. July is officially recognized as Smart Irrigation Month, a…
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Discoloration and distortion of peppers from Cucumber Mosaic Virus. Dennis H. Hall, UC IPM Program
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A Virus in the Garden – Part II

July 1, 2025
A virus can reduce a plant’s growth, lower its yield, and result in inferior fruit, vegetables and flowers. Viruses are often very host specific. Recognizing symptoms can help you take appropriate action, where possible, to manage a virus and hopefully prevent its spread. The following are several viruses…
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Vegetable garden with pots watered by drip system
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Watering Vegetables - the Basics

June 23, 2025
By Linda Carloni
Learn how and when to water vegetables in Alameda County. Get tips on soil, plant needs, and irrigation methods to keep your garden healthy and water-wise.
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AB-1572
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Proyecto de ley de la Asamblea (AB) 1572 (2023-2024): Comprensión de la Nueva Ley sobre el Uso del Agua y el Césped no Funcional

June 23, 2025
By Daniel Gonzalez, Esther N Lofton
AB 1572 es una ley de California que tiene como objetivo conservar el agua potable al prohibir su uso para regar césped no funcional en ciertas áreas. El césped no funcional se refiere al césped que no tiene un propósito real; no se usa para deportes, juegos o recreación, como el césped a lo largo de las…
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flower
Documents

Pruning Camellia

 Scientific NameCamellia japonica; C. sasanqua; C. sinensisSpecial Considerations:Japonica buds set in later summer and bloom later from Winter to Spring.Sasanqua buds set in late summer and rest and open in the late fall to early winter.Sinensis buds set in the summer and bloom in the fall.The…
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crape myrtle
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Pruning Crape Myrtle

 Scientific NameLagerstroemiaThe natural habit of Crape Myrtles is to produce multiple trunks. However, they may be trained to become a single trunk tree. Trees with multiple trunks develop a wider canopy and carry a larger number of blossoms. However, single-trunk trees still produce a profusion of…
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