Eucalyptus Gunnii

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Eucalyptus gunnii (Cider Gum or Gunnii) is a species of Eucalyptus endemic to Tasmania, occurring on the plains and slopes of the central plateaux to around 1100 metres, with isolated occurrences south of Hobart.It is a small to medium sized evergreen tree. Older specimens have a short, massive bole and large, spreading branches. The bark is often persistent for several metres as a thin, grey stocking, or shedding all over to leave a smooth, yellowish, patchy surface, weathering to white-, green- or pink-grey. Leaves are stalked, elliptical to ovate, to 8 cm long and 3 cm broad, concolorous, grey-green & thick. White flowers are produced in mid summer.

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Eucalyptus gunnii need full sun to partial shade when young and full sun when in adult form. In the greenhouse, we use a soil mix consisting of 1 part peat moss to 2 parts loam to 2 parts sand or perlite. The trees are well watered and allowed to dry somewhat before watering again. We fertilize them monthly during the growing season with a balanced fertilizer. The trees are fairly fast growing and if grown in containers some pruning is needed to keep the plant within bounds. If the tree is kept shrub-like, the bluish juvenile leaves (shown here) hardly ever turn into adult leaves. With this in mind, it makes a very good container specimen. During the winter months, the plants are moved to our cold rooms and nighttime temperatures are kept at 48°F (9°C). Water is somewhat restricted during this period. These plants are drought adapted and do not like wet soils.