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Myrtaceae FAMILY

Eucalyptus microcarpa

Eucalyptus microcarpa

Edibility
0/5
Medicinal
0/5

Safety & Hazards

None known

Cultivation Details

HabitEvergreen Tree
Growth—

Eucalyptus microcarpa is native to the semi-arid to subhumid climate of eastern and southeastern Australia, where it is found at elevations up to 400 metres. It grows best in areas where annual daytime temperatures are within the range 18 - 30°c, but can tolerate 8 - 40°c[1]. When dormant, the plant can survive temperatures down to about -10°c, but young growth is more tender and can be severely damaged at -2°c[1]. With its wide natural range it is found in mainly winter rainfall areas, mainly summer rainfall areas and also in areas with rainfall throughout the year. It prefers a mean annual rainfall in the range 500 - 600mm, but tolerates 400 - 700mm[1]. Requires a sunny position, succeeding in a range of heavy to medium-textured, well-drained soils of low to moderate fertility[1]. Prefers a pH in the range 6 - 7, tolerating 5 - 8[1]. The plant develops a lignotuber - this is a woody tuber that starts to develop near the base of seedlings and can become massive in the mature plants of some species. It possesses embedded vegetative buds, allowing the plant to regenerate following crown destruction, for example by fire[2]. Eucalyptus species have not adopted a deciduous habit and continue to grow until it is too cold for them to do so. This makes them more susceptible to damage from sudden cold snaps. If temperature fluctuations are more gradual, as in a woodland for example, the plants have the opportunity to stop growing and become dormant, thus making them more cold resistant. A deep mulch around the roots to prevent the soil from freezing also helps the trees to survive cold conditions[3]. Many members of this genus are remarkably adaptable however, and there can be a dramatic increase in the hardiness of subsequent generations from the seed of survivors growing in temperate zones[3].

Propagation

Seed - surface sow late winter/early spring in a sunny position in a greenhouse[4, 5, 6]. Species that come from high altitudes appreciate 6 - 8 weeks cold stratification at 2°c[3]. Pot up the seedlings into individual pots as soon as the second set of seed leaves has developed, if left longer than this they might not move well. Plant out into their permanent positions in early summer and give them some protection from the cold in their first winter. The seed can also be sown in early summer, the young trees being planted in their final positions in late spring of the following year. The seed has a long viability[3]. Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2026-02-21. <temperate.theferns.info/plant/Eucalyptus+microcarpa>

Pollinators

Bees, Insects

References

  1. [1]Ecocrop — http://ecocrop.fao.org/ecocrop/srv/en/home ↩︎Basic information on a wide range of useful plants, plus details of environmental needs where available.
  2. [2]EUCLID - Eucalypts of Australia — Centre for Australian National Biodiversity Research, Canber · http://keyserver.lucidcentral.org:8080/euclid/data/02050e02-0108-490e-8900-0e0601070d00/media/Html/index.htm ↩︎A website dedicated to the genus Eucalyptus (sensu latu), with descriptions and nomencultural information on all the species.
  3. [3]The New RHS Dictionary of Gardening. 1992. — Huxley. A. · MacMillan Press · 1992 · ISBN 0-333-47494-5 ↩︎Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
  4. [4]Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. — Bean. W. · Murray · 1981 · ISBN - ↩︎A classic with a wealth of information on the plants, but poor on pictures.
  5. [5]Propagation of Trees, Shrubs and Conifers. — Sheat. W. G. · MacMillan and Co · 1948 · ISBN - ↩︎A bit dated but a good book on propagation techniques with specific details for a wide range of plants.
  6. [6]Growing from Seed. Volume 2. — Rice. G. (Editor) · Thompson and Morgan. · 1988 · ISBN - ↩︎Very readable magazine with lots of information on propagation. An interesting article on Ensete ventricosum.
  7. [7]Eucalyptus Leaf Oils: Use, Chemistry, Distillation and Marketing — Southwell I.A. · 1992 · https://doi.org/10.1016/0031-9422(92)80403-2 ↩︎An extensive list of Eucalyptus species and their essential oil content.
  8. [8]Australian Timber handbook — Wallis N.K. · Angus & Robertson; Sydney · 1970 · ISBN 0-207-12053-6 ↩︎A comprehensive book about the uses of timber in Australia, it includes a section with information on the properties of the more commonly used woods in Australia
  9. [9]Flora of South-eastern Queensland (3 volumes) — Stanley T.D. & Ross E.M. · Queensland Government; Queensland · 1983 · ISBN 0-7242-2127-1 ↩︎