Quercus palustris - 'Pringreen' Green Pillar® is an impressive columnar form of Pin Oak, newly introduced to Australia. This tree will create a very interesting feature in larger landscapes. Ideal for use in areas where lateral space is restricted but a stately tree is required including streets, avenues, promenades and carparks.

Height: 8 - 12 metres. (Tends to reach its minimum height in an urban environment.)

Width: 3 metres.

Growth rate: Moderate.

Form: Quercus palustris - 'Pringreen' Green Pillar® is narrowly columnar, with dense, uniform, upright branching and a central leader. Narrow habit is maintained without the need for pruning. 

Foliage: Glossy, dark green leaves with five to seven deep, fine lobes.

Autumn: Turning deep red to bronze in late autumn, with an even more brilliant scarlet colour in cooler areas. Leaves often persisting over winter.

Fruit: Quercus palustris - 'Pringreen' Green Pillar has stout acorns around 12 mm long with a shallow, saucer-shaped cap. None observed in Australia at time of publication.

Tolerances: Very adaptable to a wide range of site conditions including wet or dry, clay or sandy soils, moderate drought, atmospheric pollution and wind. 

Comments: Quercus palustris - 'Pringreen' Green Pillar® grows best on moist, well drained, acid soils. Prefers full sun. Has a shallow, fibrous root system. 
 

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