‘Glauca’ Dwarf Japanese White Pine (Pinus parviflora ‘Glauca’)


Pinus parviflora ‘Glauca’, commonly known as the Japanese white pine, is native to Japan. It is a relatively small, broadly upright tree form of Japanese white pine with silver-blue curved needles. In spring, young seed cones often appear like tiny red flowers at the branch tips. After ten years of growth, a mature specimen can measure 4 – 5 metres tall and  2 to 3 metres wide. However, it can be kept small with adequate candle pruning. The annual growth rate is between 30 – 45 cm when it is established.

While the cultivar originated long ago in Japan, it was formally named and published in 1909 by Ludwig Beissner in Handbuch der Nadelhölzekunde. This conifer is very popular and widely planted in landscapes worldwide. Shrubs/trees have a dense pyramidal habit when young, but they develop more spreading branching and a flatter top with age. Often twisted, green needles appear in bundles of five in dense tufts, primarily at the branch ends. The needles are white on the interior surfaces. Oval reddish-brown cones appear in single or sometimes small clusters, remaining on the tree for up to seven years. The greyish-black bark is smooth on young trees, with fissures developing small scales as the tree matures. 

In Australia, this specimen grows best in cooler summers, climates with adequate moisture, and well-drained, lightly acidic soils in full sun. Tolerant of various soil types, including poor soils, as long as the drainage is good. Plants prefer cool summer climates and dislike the heat and humidity of the tropics and subtropics. Will generally tolerate urban conditions and make excellent container plants and bonsai specimens.


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