Over U$S 2,000 raised for student scholarships
Posted Fri, 2025-10-31 13:31 in Ryan Russell's blog
Support the IOS by donating items for the Silent Auction
Posted Fri, 2025-08-22 13:57 in Ryan Russell's blog
At the 2012 IOS Conference at The Morton Arboretum, our first IOS silent auction was held.
Posted Sun, 2022-04-17 00:56 in Ryan Russell's blog
I enjoy finding giant trees, and always keep an eye open and a tape measure handy. Some of my finds are only giants in the sense that they are large for their species, such as my National...
Posted Thu, 2018-08-16 18:09 in Ryan Russell's blog
Following a very mild South Carolina winter, many species of plants had begun to break dormancy by mid-March, nearly a month ahead of schedule, setting the table for a potentially disastrous...
Posted Mon, 2017-08-21 19:14 in Ryan Russell's blog
Late September in Missouri is typically the start of acorn season, the most important time of the year for a quercophile. My good friend, Alan Branhagen, Director of Horticulture for Powell...
Posted Sun, 2015-11-22 11:34 in Ryan Russell's blog
The urban forest provides municipalities, homeowners, business owners, and visitors with many wonderful benefits, but it can also present unique problems. Urban trees may reach proportions...
Posted Sun, 2015-05-31 15:10 in Ryan Russell's blog
The upcoming IOS Conference for the first time will feature a silent auction. The proceeds will fund scholarships for students wishing to attend the 2018 Conference.
Posted Sat, 2015-05-30 16:41 in Ryan Russell's blog
This tree had not been pruned for many years, if at all and as a result it had grown competing leaders. These co-dominant stems were already becoming an issue and if left unchecked, would become...
Posted Thu, 2015-01-15 00:50 in Ryan Russell's blog
While it is very well known that oaks hybridize, can you call every oak you may find with atypical leaves, bark, or acorns a hybrid?
Posted Fri, 2014-12-19 18:03 in Ryan Russell's blog
Quercus ×egglestonii in Fairview Park in Columbia, Missouri.
Posted Sun, 2014-11-23 03:46 in Ryan Russell's blog
The Mississippi Oak Open Days was a great experience represented by attendees from eight states.
Posted Fri, 2014-07-04 15:02 in Ryan Russell's blog
Pages
Editor's Picks
A new documentary by Maricela Rodríguez Acosta
Website Editor
|
Feb 17, 2026
A rare oak endemic to the Ryukyu Islands of Japan
Elion Jam
|
Feb 16, 2026
Steve Potter reviews a new book that features oaks
Steve Potter
|
Feb 11, 2026
Plant Focus
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa
Over U$S 2,000 raised for student scholarships
Posted Fri, 2025-10-31 13:31 in Ryan Russell's blog
Support the IOS by donating items for the Silent Auction
Posted Fri, 2025-08-22 13:57 in Ryan Russell's blog
At the 2012 IOS Conference at The Morton Arboretum, our first IOS silent auction was held.
Posted Sun, 2022-04-17 00:56 in Ryan Russell's blog
I enjoy finding giant trees, and always keep an eye open and a tape measure handy. Some of my finds are only giants in the sense that they are large for their species, such as my National...
Posted Thu, 2018-08-16 18:09 in Ryan Russell's blog
Following a very mild South Carolina winter, many species of plants had begun to break dormancy by mid-March, nearly a month ahead of schedule, setting the table for a potentially disastrous...
Posted Mon, 2017-08-21 19:14 in Ryan Russell's blog
Late September in Missouri is typically the start of acorn season, the most important time of the year for a quercophile. My good friend, Alan Branhagen, Director of Horticulture for Powell...
Posted Sun, 2015-11-22 11:34 in Ryan Russell's blog
The urban forest provides municipalities, homeowners, business owners, and visitors with many wonderful benefits, but it can also present unique problems. Urban trees may reach proportions...
Posted Sun, 2015-05-31 15:10 in Ryan Russell's blog
The upcoming IOS Conference for the first time will feature a silent auction. The proceeds will fund scholarships for students wishing to attend the 2018 Conference.
Posted Sat, 2015-05-30 16:41 in Ryan Russell's blog
This tree had not been pruned for many years, if at all and as a result it had grown competing leaders. These co-dominant stems were already becoming an issue and if left unchecked, would become...
Posted Thu, 2015-01-15 00:50 in Ryan Russell's blog
While it is very well known that oaks hybridize, can you call every oak you may find with atypical leaves, bark, or acorns a hybrid?
Posted Fri, 2014-12-19 18:03 in Ryan Russell's blog
Quercus ×egglestonii in Fairview Park in Columbia, Missouri.
Posted Sun, 2014-11-23 03:46 in Ryan Russell's blog
The Mississippi Oak Open Days was a great experience represented by attendees from eight states.
Posted Fri, 2014-07-04 15:02 in Ryan Russell's blog
Pages
The International Oak Society acknowledges the generous support of the following institutions:
Supporting Institutional Members
Standard Institutional Members
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The International Oak Society acknowledges the generous support of the following institutions:
Supporting Institutional Members
Standard Institutional Members
