[The Broadleaf Trees and Shrubs of the Columbia River Gorge of Oregon and Washington]

Garry Oak, Oregon White Oak

Quercus garryana var. garryana

Oregon White Oak, Garry Oak: Quercus garryana var. garryana

A nice cluster of Oregon white oaks with some poison oak at their base on west Tracy Hill, Catherine Creek, Columbia River Gorge........May 20, 2011.

Leaf of Oregon White Oak, Garry Oak: Quercus garryana var. garryana

The photo above shows a close-up of the pinnately lobed leaf of Oregon white oak as seen at 4100' at a DNR rock quarry atop the ridge dividing the Cougar and Dairy Creek drainages at the southeastern corner of Mt. Adams.......July 10, 2005.

Dorsal and ventral leaf surfaces of Oregon White Oak, Garry Oak: Quercus garryana var. garryana

The photo above shows a close-up of the pinnately lobed leaf of Oregon white oak as seen at 4100' at a DNR rock quarry atop the ridge dividing the Cougar and Dairy Creek drainages at the southeastern corner of Mt. Adams.......June 12, 2005. The glossy, upper leaf surface is shown at the left while the short-haired ventral leaf surface is shown at right.

Oregon White Oak, Garry Oak: Quercus garryana var. garryana

A nicely shaped Oregon white oak as seen on a rocky point on USFS land to the northeast of the junction of Highway 30 and Marsh Cutoff Road at Memaloose in the Columbia River Gorge...........March 28.

Inflorescence of Oregon White Oak, Garry Oak: Quercus garryana var. garryana - Inflorescence of Oregon White Oak, Garry Oak: Quercus garryana var. garryana - Young leaves and pendant inflorescences of Oregon White Oak, Garry Oak: Quercus garryana var. garryana

The photos at left and center show Oregon white oak beginning to bloom on slopes above Canyon Creek in the Klickitat State Wildlife Area.......May 8, 2009. The photo at right was photographed along the Soda Springs Road in the Klickitat State Wildlife Area.......April 30, 2010.

Oregon White Oak, Garry Oak: Quercus garryana var. garryana - Male catkins of Oregon White Oak, Garry Oak: Quercus garryana var. garryana

The photo at left shows Oregon white oak as seen at about 4100' at a rock quarry atop the ridge separating the Dairy Creek and Cougar Creek drainages at the southeastern corner of Mt. Adams........May 23, 2005. The photo at right shows Oregon white oak with male catkins beginning to bloom along the Memaloose Trail east of Mosier, OR........April 21, 2017.

Oak apple wasp gall: Andricus californicus - Oak apple wasp gall: Andricus californicus

An oak apple wasp gall on a young Oregon white oak sapling as seen in oak-conifer forest on the western slopes of the Klickitat River opposite from Stinson Flats, Klickitat Wildlife Area........May 15, 2013. These are the largest and densest of the oak galls in the Pacific Northwest. They are thick walled and have a pithy core. The wasp is evidently Andricus californicus.

Oregon White Oak, Garry Oak: Quercus garryana var. garryana

A large Oregon white oak as seen at the end of the South Klickitat Breaks Road, Klickitat Wildlife Area...........May 17, 2014.

Oregon White Oak, Garry Oak: Quercus garryana var. garryana - Oregon White Oak, Garry Oak: Quercus garryana var. garryana

Several views of fairly large Oregon white oaks beginning to leaf out and bloom along Eightmile Creek in Columbia Hills State Park.........April 14, 2013. The oaks in this area suffered greatly during an ice storm during the late winter of 2011-2012 with many oaks losing branches or even being split in two. These particular two oaks had Lewis' woodpeckers perching in them minutes before the photos were taken.

Oregon White Oak, Garry Oak: Quercus garryana var. garryana - Autumn leaf of Oregon White Oak, Garry Oak: Quercus garryana var. garryana

Oregon white oaks as seen along Eightmile Creek in Columbia Hills State Park.........October 26, 2014.

Oregon White Oak, Garry Oak: Quercus garryana var. garryana - Fall foliage of Oregon White Oak, Garry Oak: Quercus garryana var. garryana

A good view (photo at right) of the overall form of Oregon white oak as seen at Columbia Hills State Park........November 23, 2013. One can fairly easily see how it is shaped by the wind which blows largely from the west here (from right to left). This oak is next to the recently rebuilt shack about one-half mile downhill from the parking area for the Columbia Hills NAP. The photo at right shows Oregon white oaks in their colorful fall color from a grove along one of the upper branches of Fivemile Creek in the northwest corner of the Columbia Hills State Park.........October 18, 2015.

Germinating Oregon white oak (Quercus garryana var. garryana) acorn. - Oregon White Oak, Garry Oak: Quercus garryana var. garryana

A germinating Oregon white oak acorn and the overal form of Oregon white oak as seen high on Tracy Hill at Catherine Creek, Columbia River Gorge........November 29, 2016.

New leaves of Oregon White Oak, Garry Oak: Quercus garryana var. garryana - Oregon White Oak, Garry Oak: Quercus garryana var. garryana

Oregon white oak beginning to bloom and leaf out along the lower one-half mile stretch of the Lyle-Cherry Orchard Trail, one-half mile east of Lyle, WA..........April 2, 2015.

Inflorescences and young leaves of Oregon White Oak, Garry Oak: Quercus garryana var. garryana

Inflorescences and young leaves of Oregon white oak as seen along old highway 8 adjacent to Rowland Lake, Columbia River Gorge National Scenic Area.......April 3, 2018.

Paul Slichter