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Pruning Young Oaks

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 a much larger issue...

Editor's Picks

Group photo at Harvard Herbarium
The Harvard University Herbaria hosted a novel Oak Taxonomy...
Jeannine Cavender-Bares | Apr 21, 2026
Morgan and friends in Argentina
Visits to three collections of Quercus in Buenos Aires...
Morgan Santini | Apr 05, 2026
Michel Duhart and Paco Garin at Jardín Botánico Wilson, Costa Rica
On April 1st, the very day he turned 103, a great friend...
Francisco Garin Garcia | Apr 05, 2026

Plant Focus

Quercus orocantabrica
Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...

pruning

Pruning Young Oaks

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 a much larger issue...

The International Oak Society acknowledges the generous support of the following institutions:

Supporting Institutional Members

 

Standard Institutional Members

Rice University
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South Carolina Botanical Garden

 

The Huntington
The John Fairey Garden