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Editor's Picks

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During the month of October, I am posting daily tweets...
Andrew Hipp | Oct 12, 2019
The Mendota Dakota tribal community honored arborist Dan...
Dan Keiser | Oct 12, 2019
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Everyone who knew Lloyd will be as shocked and saddened as...
Shaun Haddock | Aug 24, 2019

Plant Focus

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Dwarf cultivars can be ideal for a small garden. Here are three "mini oaks". 

Roderick Cameron's blog

A Day Seized in Belize

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A stopover in Belize allowed me a day of driving through a natural reserve where I was able to spot about half of the 11 oaks reported to grow in Belize.

Rare Mexican Oak Pops Up in Palmerston North

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A volunteer seedling in Massey University campus in New Zealand turns out to be a rare Mexican oak.

Origin of Quercus look at Bartlett Tree

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An exchange of emails in April this year discussed the origin of the champion specimen of Quercus look in the US.

Humboldt Oaks in the Mist

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In November 2018 I had a long layover in Bogotá and had enough time for a quick visit to Parque Natural Chicaque, about an hour’s drive from the airport.

Two Sides of the Same Coin - a Continent Apart

The visit to Apple Park and the oak plantation there, during the first Post-Conference Tour, brought to mind another place I had written about previously in this blog.

Variation in Quercus humboldtii Acorns

Quercus humboldtii

On a recent trip to Bogotá, Colombia I was able to collect acorns from several Quercus humboldtii growing as street trees.

A Hybrid with a Twist

This year I harvested acorns in Grigadale Arboretum rather late in the season (April), at a stage when most species had dropped them. As trees are planted quite close together, in some cases I had to distinguish acorns based on their shape in order to collect from a particular tree rather than its neighbor. When it came to Quercus ×kewensis, there was a mass of acorns on the ground, many from several neighboring Q. cerris. I found that I could pick out the Q. ×kewensis because of their odd shape. 

Californian Oaks in Canberra

Last April I briefly visited Canberra, the capital of Australia. I was able to take a day off to look at trees and spent most of it admiring the impressive collections of Australian native flora at the Australian National Botanic Gardens. This was my first trip to Australia and I had been looking forward to the diversity of its endemic trees. But Canberra also offered a quite unexpected treat: several Californian oaks used in well-maintained plantings along residential streets.

Oaks in Dante's Divine Comedy

Over the first hundred days of 2018 I have read Dante’s Divine Comedy, as part of a mass-reading organized on Twitter by Pablo Maurette, an Argentine Literature Professor and author at the University of Chicago. Thousands of readers spread across the globe read one canto per day of the classic poem, and exchanged comments and engaged in debates under the hashtag #Dante2018. Oaks are not absent...

Re-Oaking Silicon Valley

Allan Taylor sent me a link to an article describing efforts to bring back the oaks to Silicon Valley.

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