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Chill Hours
Many fruits and nuts require a certain number of chill hours in order to produce. The UC Home Orchard website describes chilling as "the number of hours below 45°F, is an important climatic factor that influences bud break, fruit set, and fruit ...
Citrus Tree Problems
If you have problems with a citrus tree—including orange, lemon, lime—UC has resources that may help: Citrus Diseases and Disorders of Leaves and Twigs covers a range of problems including branch dieback, sooty mold, yellow leaves, and more. This ...
Hardening Plants
Excerpt From: California Master Gardener Handbook, Second Edition. “Hardening is the process of slowing plant growth to withstand changes in environmental conditions that occur when transplants are transferred from a greenhouse or home to the garden. ...
Checking Tree Roots
The Basics “When woody plants decline or die, assess the root system’s health. Suspect a root injury or disorder when an entire plant declines or dies. Digging out or around newly planted woody plants makes it possible to evaluate their root systems. ...
Plum Bud Gall Mites
Plum Bud Gall Mites As noted in the Plum Bud Gall Mite (PBGM) Fact Sheet, this is a fairly new pest in California,. The CDFA provides additional information in their B pest rating summary. The Santa Clara County Department of Agriculture doesn’t ...