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by Lawrence LeClaireFog City Bonsai April 2009 Issue
Mar 31st: Here is your online version of Fog City Bonsai for April 2009. This issue features: March General Meeting Notes - Bonsai Display April Meeting Announcement - Jim Gremel and Yamadori-style Junipers April Collecting Trip Photos from the Show! Guidelines for the April Sale The Trouble with Root Aphids Upcoming Events, Meetings, and Announcements Your Spring Bonsai Care Calendar BSSF Download Fog City Bonsai April 2009 (0...  read more »
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by Lawrence LeClaireAdelgids
Jul 2nd: Adelgids - @%$#!!! If you grow Japanese black pines for bonsai, then you are most likely aware of a common and persistent pest that plagues the most diligent tree caretakers; adelgids. These tiny, almost invisible, insects feed from the sap of evergreens and are similar to aphids. They excrete a white waxy substance from their abdomens, which is generally your first sign of an infestation. Their presence can be harmless in forests where entire trees can be coated white with their excretions...  read more »
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by Lawrence LeClaireFog City Bonsai July 2008 Issue
Jul 2nd: Here is your online version of Fog City Bonsai for July 2008. This issue features: June General Meeting Notes on Satsuki azaleas from Ruben Guzman July Meeting Announcement - Robert Smith and Bonsai Tool Care Adelgids - Lawrence LeClaire From the Prez - Robert Smith July Bonsai Notes Upcoming Events, Meetings, and Announcements Your Summer Bonsai Care Calendar BSSF Download Fog City Bonsai July 2008 (1...  read more »
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by MiaRx Bonsai: Snails and Things That Chew Leaves
Jul 17th: Rx Bonsai: Snails and Things That Chew Leaves by Mia Amato If the new growth on trees appears to be chewed off, the culprit is likely the brown escargot snail. Yes, this common pest is exactly the same species served up in garlic butter in French restaurants. It was imported by a Frenchman, M. A. Dumas, into California in the 1880s. It is now found up the snow line, competing rather nicely with our native, shell-less banana slugs for fresh greenery...  read more »
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by MiaRx Bonsai: Leaf Curl
Jul 17th: Rx Bonsai: Leaf Curl by Mia Amato Twisted and curled leaves on cherry, plum or apricot bonsai call for immediate attention. If you’re lucky, the problem is merely an insect: check within the curled leaf for tiny greenish or black aphids, which can be removed by hosing down the plant thoroughly and spraying with insecticidal soap. Leaves that are twisted, puckered and reddish in hue may be infected with peach leaf curl...  read more »
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by Eric SchraderPine Pitch Canker - What it means to me
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Jul 2nd: I have just, after some hours on the internet, realized that some of the pines I am growing have been infected with Pine Pitch Canker, which is a fungus infection that affects Knobcone, Monterey and Bishop pines as well as many other native California species. The infection, which seems to be affecting about half my seedlings, is concentrated right at the root base, where I cut the taproots off when they were six weeks old...  read more »
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by Aaron N.Bonsai and infections, pests, and environmental illnesses
Mar 29th: In March we had the pleasure of Dr. Robbie joining us from U.C. Berkeley. Dr. Robbie is a well respected plant disease specialist and he shared his passion for all the things that plague our trees. Note that Dr. Robbie and the U.C. Berkeley staff have a plant clinic on the 1st Saturday of every month from 9am to 12pm in the Berkeley Arboretum. Please bring samples in zip-lock bags. The trouble we encounter with our trees can be split up in to two types: those caused by the environment (these are non-infectious) and those caused by organisms...  read more »
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