Oak Trees
There are approximately 600 species of oak trees across the globe. These trees range from small bushy scrub oaks 3-4 feet tall to majestic trees over 100 feet tall. They grow on every continent in the northern hemisphere. Oaks are in the genus Quercus with many species, and cultivars. Many of the species are prized for their hard wood and used in woodworking, flooring, industry, and cooperage.
The Valley Oak
They are the mightiest of
Valley Oaks are generally found
on the valley floor near rivers and streams and in open areas where there is an
abundance of deep soil and ground water. Major stands of Valley Oaks can be
found around the communities of
Other significant native Oaks in
California
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Quercus agrifolia, the Coast Live Oak, a tree
40-75’ tall, found on foothills on the western side of the
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Quercus berberidifolia, the Scrub Oak, a shrub
8-15’ tall, found on Inland foothill slopes of
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Quercus chrysolepis, the Canyon Live Oak, a tree
20-60’ tall, found on foothills along the western side of the
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Quercus douglasii, the Blue Oak, a tree 30-50’
tall, found on dry foothills of the
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Quercus dumosa, the Coastal Scrub Oak, a shrub
6-25’’ tall, found on hillsides near the ocean in
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Quercus durata, the Leather Oak, a shrub to 10’
tall, found on the
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Quercus engelmannii, the Engelmann Oak, a tree
40-50’ tall, found in
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Quercus garryana, the Oregon White Oak or Garry
Oak, a tree 30-60’ tall, found in the North end of
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Quercus kelloggii, the California Black Oak, a
tree 30-75’ tall, found on high foothills
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Quercus lobata, the Valley Oak, a tree 40-100’
tall, found in the
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Quercus tomentella, the Island Oak, a tree 25-40’
tall, found on
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Quercus turbinella, the Desert Scrub Oak, a shrub
to 10’ tall, found in the desert mountains in Sothern
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Quercus vacciniflora, the Huckleberry Oak, a shrub
2-5’ tall, found on the foothills of extreme
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Quercus wislizeni, the Interior Live Oak, a tree
30-75’ tall, found on foothills along the eastern side of
Many of California's native oak trees are commercially available from specialty nurseries and have been specified by Landscape Architects. The trees are suitable for drought tolerant landscapes and generally do not tolerate summer water.
Other Oaks used in California
A number of other non-native oaks have been used in
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Quercus ilex, the Holly Oak, a tree 20-60’ tall,
Native to the
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Quercus suber, the Cork Oak, a tree 30-60’ tall,
Native to the
Oaks used in the Wine Industry
Oaks have a special place in the wine and liquor industry, from the
production of fine wines, to aging of fine bourbon, to closing the wine bottle.
Many prized species and cultivars are grown in the eastern
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Quercus robur (Q. pedicuulata), the English Oak or
French Oak, a tree 10-35’ tall, found throughout
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Quercus petraea (Q. sessilis), the Sesslile Oak,
European Oak, a tree 60-130’ tall, found throughout
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Quercus alba, the White Oak, American Oak , a
tree 80-100’ tall, found in Minnesota, Missouri, Pennsylvania and Virginia is
generally used for Whiskey Barrels and some Wine
Barrels.
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Quercus garryanna, the Oregon Oak, a tree 30-60’
tall, found in extreme northern
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Quercus suber, the Cork Oak, a tree 30-60’ tall,
Native to the
Typically, French oak is classified by the region or forest from which
it comes rather than by botanic name. Trees from each of these unique geographic
areas may vary slightly and be a separate variety.
There are fourteen oak tree forests in France and the largest are known as
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The
§ The Nevers forests are predominantly Q. sessilis
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The
§ The Tronçais forests are predominantly Q. sessilis
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The
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The
§ The Hungarian forest is predominantly Quercus petraea and Quercus robur
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The
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The
The wine maker must also be a botanist and a chemist to determine which oak barrel to use because of the number of factors impact the wine to be aged in the barrel.
§ The cooperage to make the barrel.
§ The species of oak to be used.
§ The amount of time the raw wood is dried (aged) before making the barrels.
§ The thickness of barrel staves.
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§ The type of flame used to toast the inside of barrels.
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As you can imagine, choosing a the characteristics of a wine barrel and how it will impact the wine to be aged in them becomes a complex event for the winemaker. If you are more interested in oaks for wine barrels follow these links: Seguinmoreau Napa or Bouchard Cooperages.
Ver. 9/3/18
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