Ongoing research

Building sub-irrigated planters
UC Master Gardener Program of Contra Costa County: Article

Supply in the Sky: Rainwater Harvesting for the Win

September 25, 2025
By Lori D Palmquist
If you had a desire to plant a garden that not only grows veggies in raised beds, but also nurtures 5,000 seedlings for a plant sale and features a pollinator garden to help those veggies thrive, would you choose a site that has no piped-in water and no electricity? It’s improbable that you would even give…
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Our Garden in Walnut Crek, photo courtesy by Greg Letts
UC Master Gardener Program of Contra Costa County: Article

Seasonal Update on our Central and East County Demo Gardens

September 25, 2025
By Cynthia Engers
As most of our readers probably noticed, this summer in Contra Costa County was unusually cool.  Some of you may have observed different behavior in your home gardens as a consequence, and might like to know how two of our Master Gardener demonstration gardens reacted to milder temperatures.Very…
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Irrigating citrus
Topics in Subtropics: Article

Irrigation Information Online from UC Davis

September 25, 2025
By Ben A Faber
Irrigation Educational MaterialOur objective is to support Californians’ efforts to improve economic competitiveness and protect environmental quality in matters relating to land, air and water resources in agricultural, rural, urban and natural landscape settings.Our program is dedicated to the study of…
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exhibition
The Confluence: Article

Engaging audiences in water science and policy through art

September 25, 2025
By Edith de Guzman
 Attendees mingling at the exhibit opening reception at Avenue 50 Studio in Los Angeles. (Photo Credit: Shanley Kellis)Engaging audiences at the nexus of art and science can produce results that are more profound and surprising than expected. As both an artist and a scientist I’ve had several…
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Topics in Subtropics: Article

Citrus Pests and Natural Enemies

September 25, 2025
By Sandipa Gautam
Dear PCAs and Citrus Growers,We are pleased to invite you to two upcoming educational events at the Lindcove Research and Extension Center (LREC) this October:California Red Scale and Natural Enemies WorkshopDate: Wednesday, October 1, 2025Time: 8:30 AM to 4:00 PMRegister by September 25 using…
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Sudangrass
Salinas Valley Agriculture: Article

Fall and winter cover crop strategies for vegetable crop systems

September 25, 2025
By Michael D Cahn
 As we enter the fall season and begin preparing fields for the winter, this is the time to think about planting cover crops.   Typically, most growers plant less than 5% of the vegetable ground with fall and winter cover crops.   Cover crops can potentially help with many challenges…
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Tree of Heaven
UC Master Gardener Program of Contra Costa County: Article

Tackling the Invasive Tree of Heaven

September 25, 2025
By CoCoMG Helpdesk
If you have a tree of heaven in your yard, you may be familiar with unwanted seedlings sprouting across your yard and seemingly from every nearby crack. The tree of heaven was originally brought to the United States from China in the 1800s and quickly became a fast-growing and popular ornamental shade tree…
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4-H Fall Fair 2025
Cooperative Extension, Sutter-Yuba Counties: Event

4-H Fall Fair

Oct 19, 2025

🍂🐇🐓🐴 Fall for 4-H Fall Fair! 🍂📍 Yuba County Sheriff’s Posse Arena📅 Sunday, October 19, 2025 | ⏰ Shows start at 9 AMJoin us for a fun-filled day of 4-H shows, educational booths, and hands-on experiences! Show classes include pygmy goats, rabbits, chickens, and horses—with buckles for winners and ribbons for…
Cooperative Extension, Sutter-Yuba Counties
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