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July 2026
Monthly Meeting
NEXT GENERAL MEETING: Saving Rare Plants - Advanced Horticulture on the California Islands, With Kevin Alison, July 18, In-Person, Oasis, Rancho Bernardo, 1:30p -3:30p
Kevin Alison The islands of California are biological hotspots for uniquely rare and endangered species. But, what do you do if traditional methods of propagation fail or are unreliable? This presentation will cover advanced horticultural techniques to overcome challenges and prevent extinction. Kevin Alison serves as the Native Plant Manager for Catalina Island, where he leverages his expertise in conservation, restoration, and horticulture to prevent extinction. Kevin s
Jul 1
Articles
TREES, PLEASE: Examining the Root of the Problem
By Tim Clancy. Tree root damage to buildings, walkways, roadways, and other infrastructure components is a common concern for all. Damage...
May 1, 2018
TREES, PLEASE: Trees of Life and Faux (Nitrogen) Fixes
By Robin Rivet. Nitrogen is an essential component of the nucleic acids found in the DNA of all living organisms. Despite the fact that...
Apr 1, 2018
TREES, PLEASE: The Million-Pollard Question
By Tim Clancy. What has a dense head and was once used for animal fodder or for sustainably harvesting wood? A pollarded tree, or course!...
Mar 1, 2018
TREES, PLEASE: Tree Terror: Are Your Trees on a Hit List?
By Robin Rivet. Today we face a force to rival Darth Vadar, and it ain’t pretty. The arrival and potential conquest by the Kuroshio and...
Feb 1, 2018
TREES, PLEASE: This One's for the Birds
By Tim Clancy. One of the great pleasures of working with trees is the opportunity to observe the relationships of creatures with trees....
Jan 1, 2018
TREES, PLEASE: Does Money Really Grow on Trees?
By Robin Rivet. t was there, and then it was gone—my favorite tree in all of San Diego. I went into shock. Then anger. Although most...
Dec 1, 2017
TREES, PLEASE: Tree Pruning: Who’s Watching the Hen House?
By Tim Clancy. There is a cognitive bias known as the law of the hammer. The concept is that if the only tool you have is a hammer then...
Nov 1, 2017
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