March 2010
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Frost damaged plants may need pruning, but wait until spring

Recent freezing temperatures in many parts of California have injured some citrus trees and other frost-sensitive subtropical plants. But since the full extent of injury won’t be known for several months, UC Cooperative Extension (UCCE) horticulture advisor Ed Perry suggests gardeners wait until spring before pruning and removing damaged trees and plants.
The frost [...]

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Fenced blue oak seedlings survive in grazed areas

Fencing placed close to blue oak seedlings can prevent them from succumbing to grazing by deer and livestock while limiting rodent damage, both significant risks to notoriously slow-growing California native oak trees. In a peer-reviewed, eight-year study published in the January-March 2007 issue of California Agriculture journal, University of California researchers found that blue oak [...]

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