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The Huntington, in San Marino, CA, obtained a grant from...
Website Editor | Feb 08, 2019
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This blog entry focuses on the Engelmann oak grove at Los...
Charles Snyers | Dec 15, 2018
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This blog post focuses on the day and a half we spent in...
Charles Snyers | Dec 02, 2018

Plant Focus

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Quercus douglasii is an endemic California oak tree, affectionately called “the blue oak”.

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The second leg of the Post-Conference Tour: from Santa Cruz to Los Angeles
Forty enthusiastic IOS members ventured from UC Davis through Sonoma wine country toward the north California coast. We visited sites of...
Forty-one participants from nine countries gathered at Davis, California on October 15 for a four-day trek across the Sierra Nevada and...
Doug McCreary, long-time member of the IOS, died earlier this year.
Quercus acutissima Carruth. is a species whose natural distribution covers a vast territory in East and Southeast Asia, from central Nepal...
Bob Berry, renowned oak collector and longtime member of the IOS, died August 2, 2018 at the age of 102 in Gisborne, New Zealand. Bob...
The Action Oak partnership was launched at this year’s Chelsea Flower Show in London last May
Given its rugged beauty and hardiness, Quercus rugosa is recommended for gardens, parks, and arboreta in most regions. As it grows...
In October 2017, I visited Palomar Mountain State Park, San Diego County, California to collect acorns of the interior live oak, Quercus...
New research published in Nature Plants provides insights into why oaks are long lived. 
North America is home to 91 species of oak trees. Astoundingly, the various species rarely, if ever, occur alone. Where one kind of oak is...
To honor Estonia’s centenary, we chose as subject for this article in our series on Historic Oaks, Estonia’s largest, oldest, and most...

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