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Arecaceae FAMILY Endangered

Jubaea chilensis

Jubaea chilensis

Edibility
3/5
Medicinal
0/5

Safety & Hazards

None known

Cultivation Details

HabitEvergreen Tree
GrowthSlow

Jubaea chilensis is native to dry regions in the warm temperate zone of Chile, where it can experience short lived frosts and has been known to survive temperatures as low as -9°c[1]. We have no records of the cultivation needs of this plant in Britain, and it is said in many books that it is not hardy in Britain; however, some trees have been growing outdoors in Torquay in southwest Britain since 1900 and they were 7.5 metres tall in 1972[2, 3]. The plant will probably require a sunny sheltered position in a moist but well-drained soil[4]. Some reports say that it can tolerate several degrees of short-lived frost[5, 6]. Palms usually have deep penetrating root systems and generally establish best when planted out at a young stage. However, older plants are substantially more cold tolerant than juvenile plants[4]. In areas at the limit of their cold tolerance, therefore, it is prudent to grow the plants in containers for some years, giving them winter protection, and only planting them into their permanent positions when sheer size dictates[4]. Palms can also be transplanted even when very large. Although the thick fleshy roots are easily damaged and/or desiccated, new roots are generally freely produced. It is important to stake the plant very firmly to prevent rock, and also to give it plenty of water until re-established - removing many of the leaves can also help[4]. This species is sometimes cultivated for its edible fruit and seed plus its many other uses[7]. It is a very slow-growing plant that takes several years before it begins to form a trunk and takes up to 60 years to produce seed[7]. The tree is becoming very rare in its native range because it has been widely exploited for its edible sap. The trees are beheaded and a large quantity of sap exudes from the trunk. Unfortunately, the tree cannot produce side branches and so it dies after this treatment[7].

Propagation

Seed - best sown as soon as it is ripe in a warm greenhouse. The seed can take 6 months or more to germinate[5, 8]. Stored seed should be soaked for 12 - 24 hours in warm water as soon as it is received and then sown in a warm greenhouse. It can be very slow to germinate. The seed has a short viability. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first two winters. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts, and give them some protection from the cold for their first few winters outdoors. Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2026-02-21. <temperate.theferns.info/plant/Jubaea+chilensis>

Pollinators

Data unavailable

References

  1. [1]Desert Tropicals — http://www.desert-tropicals.com/ ↩︎The main focus of the site is succulent plants, but it also contains information on a wide range of other species. Usually at least one good photograph, plus basic information about the plant and its cultivation.
  2. [2]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.
  3. [3]The Milder Garden. — Taylor. J. · Dent · 1990 ↩︎A good book on plants that you didn't know could be grown outdoors in Britain.
  4. [4]Palms for Cooler Climates. — McMillan-Browse. P. · Trebah Enterprises. · 1993 · ISBN 0 9521952 0 8 ↩︎An excellent little booklet on the subject, though it does not mention many plant uses.
  5. [5]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.
  6. [6]Conservatory and Indoor Plants Volumes 1 & 2 — Phillips. R. & Rix. M. · Pan Books, London. · 1998 · ISBN 0-330-37376-5 ↩︎Excellent photos of over 1,100 species and cultivars with habits and cultivation details plus a few plant uses. Many species are too tender for outdoors in Britain though there are many that can be grown outside.
  7. [7]Flora of Chile. (in Spanish) — ? ↩︎Some information about the useful plants of Chile.
  8. [8]Palm and Cycad Societies of Australia. — http://www.pacsoa.org.au/ ↩︎Contains at least a little information on the majority of palm and cycad species, plus a wealth of photographs. A first class website.
  9. [9]Tropical Palms — Johnson D.V. · FAO, Rome · 2011 · http://www.fao.org/docrep/ · ISBN 978-92-5-106742-0 ↩︎A terse guide to some of the uses of palms. Also available for download from the web. (Search for "FAO Tropical Palms")
  10. [10]IUCN Red List of Threatened Species — http://www.iucnredlist.org/ ↩︎A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
  11. [11]RHS Dictionary of Plants plus Supplement. 1956 — F. Chittendon. · Oxford University Press · 1951 · ISBN - ↩︎Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [ 200 ]).
  12. [12]Sturtevant's Edible Plants of the World. — Hedrick. U. P. · Dover Publications · 1972 · ISBN 0-486-20459-6 ↩︎Lots of entries, quite a lot of information in most entries and references.
  13. [13]A Dictionary of Plants Used by Man. — Usher. G. · Constable · 1974 · ISBN 0094579202 ↩︎Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
  14. [14]Cornucopia - A Source Book of Edible Plants. — Facciola. S. · Kampong Publications · 1990 · ISBN 0-9628087-0-9 ↩︎Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
  15. [15]Dictionary of Economic Plants. — Uphof. J. C. Th. · Weinheim · 1959 · ISBN - ↩︎An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
  16. [16]Tanaka's Cyclopedia of Edible Plants of the World. — Tanaka. T. & Nakao S. · Keigaku Publishing; Tokyo · 1976 · ISBN - ↩︎The most comprehensive list of edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
  17. [17]Plants for Human Consumption. — Kunkel. G. · Koeltz Scientific Books · 1984 · ISBN 3874292169 ↩︎An excellent book for the dedicated. A comprehensive listing of Latin names with a brief list of edible parts.