HOrT COCO-UC Master Gardener Program of Contra Costa

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A New Law Concerning Neonicotinoids

February 17, 2025
By Help Desk Team
On January 1 of this year a new law went into effect in California, greatly limiting the use of a pesticide class known as neonicotinoids. Originally developed in the 1980's, these pesticides became the most widely used class of insecticides in the world.
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Photo of interplanting of shallots and lettuce
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Companion Planting in the Vegetable Garden

February 3, 2025
By Help Desk Team
Companion planting and intercropping are two planting methods that include growing a variety of plants in close proximity. When we grow different types of vegetables, herbs, and flowers together, they can work together to create a healthier and more productive garden.
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Photo of apple blossoms
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What Are Chill Hours?

January 21, 2025
By Help Desk Team
Whether today's temperature is low enough might seem like a funny question to ask, but if you are growing fruit trees or berries, it's important to wonder if it's cold enough. Sufficient cold temperatures can mean the difference between an abundant fruit crop or little-to-no flowers or fruit.
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Christmas trees in pots
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Planting Your Living Christmas Tree

January 7, 2025
By Help Desk Team
Our previous HORT COCO blog (December 17, 2024) focused on caring for live holiday plants, including live Christmas trees. This article will focus on how to plant and care for a live tree after the holidays.
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Up-close photo of a Poinsettia
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Caring for Holiday Plants

December 17, 2024
By Help Desk Team
Note: This was originally published in the Contra Costa Times. Q: I like to decorate my home at the holidays with poinsettias and other holiday plants, but they don't last very long.
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