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Eucalyptus propinqua
Myrtaceae FAMILY

Eucalyptus propinqua

Eucalyptus propinqua

Edibility
0/5
Medicinal
2/5

Safety & Hazards

None known

Cultivation Details

HabitEvergreen Tree
Growth—

Eucalyptus propinqua is native to the warm temperate and subtropical climate of eastern Australia, where it is found at elevations up to 350 metres. Rainfall occurs mainly in the summer, with a mean annual rainfall within the range 875 - 1,400mm and a dry season that is not severe of up to 4 months. The mean maximum temperature of the hottest month is 27 - 33°c; mean minimum temperature of the coldest month is 4 - 10°c, and there are generally around 1 - 10 frosts a year[1]. When dormant, the plant can survive temperatures down to about -3°c, but young growth is more tender and can be severely damaged at 0°c[2]. Requires a sunny position, succeeding in a range of well-drained soils of moderate fertility[2]. Prefers a pH in the range 6 - 7, tolerating 5.5 - 7.5[2]. 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[3]. Whilst most Eucalyptus species, grown in small numbers outside their native range, can be an attractive and useful addition to the landscape, certain species (including this one) are more problematic. When grown in monocultures, especially outside their native range, they can become an environmental disaster. They are voracious, especially in their use of water; they are allelopathic, inhibiting the growth of the native flora; they reduce habitats for native fauna; and encourage the worst possible attitudes to land use and conservation[4]. 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[4]. 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[4].

Propagation

Seed - surface sow late winter/early spring in a sunny position in a greenhouse[5, 6, 7]. Species that come from high altitudes appreciate 6 - 8 weeks cold stratification at 2°c[4]. 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[4]. Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2026-02-21. <temperate.theferns.info/plant/Eucalyptus+propinqua>

Pollinators

Bees, Insects

References

  1. [1]Eucalypts for Planting — Jacobs M.R. · FAO; Rome · 1981 · http://www.fao.org · ISBN 92-5-100570-2 ↩︎An excellent publication, rather dated now but with a wealth of information about the Eucalypts. It can be downloaded from the Internet as a PDF file.
  2. [2]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.
  3. [3]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.
  4. [4]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.
  5. [5]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.
  6. [6]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.
  7. [7]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.
  8. [8]Protabase - Plant Resources of Tropical Africa. — http://www.prota.org ↩︎An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
  9. [9]Flora of New South Wales — http://plantnet.rbgsyd.nsw.gov.au/floraonline.htm ↩︎An on-line resource giving a brief botanical description of all the native plants of New South Wales, their habitat and range, together with diagrams and photographs of the plants.
  10. [10]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.
  11. [11]Timber — Baterden J.R. · Archibaald Constable & Co.; London · 1908 · http://www.biodiversitylibrary.org ↩︎An excellent book on world timbers from the early 20th Century. Obviously dated, but still containing information hard to find elsewhere. It can be downloaded from the Internet.
  12. [12]A Manual of the Timbers of the World — Howard A.L. · MacMillan and Co.; London. · 1934 · http://www.biodiversitylibrary.org ↩︎An excellent and comprehensive book on timbers. Rather dated, but still a main source of information for many of the less known woods. It can be downloaded from the Internet.
  13. [13]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