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Asteraceae FAMILY

Taraxacum officinale

Taraxacum officinale

Edibility
4/5
Medicinal
3/5

Safety & Hazards

This plant has been mentioned in various books on poisonous plants but any possible toxins will be of very low concentration and toxicity[1]. There are reports that some people have suffered dermatitis as a result of touching the plant, this is probably caused by the latex in the leaves and stems[2].

Cultivation Details

HabitPerennial
Growth—

A very easily grown plant, it succeeds in most soils[3], though it prefers a well-drained humus-rich neutral to alkaline soil in full sun or light shade[4, 5]. A very hardy plant, tolerating temperatures down to at least -29°c[5]. The dandelion is a common weed of lawns and grassy places. Though it has a bitter flavour, the plant is often cultivated as a salad crop and as a medicinal plant, especially in parts of Europe. There are some named varieties with larger, more tender and less bitter leaves[6]. Dandelions can provide edible leaves all year round, especially if they are given a small amount of protection in the winter[PFAF]. A valuable bee plant and an important food plant for the caterpillars of many butterfly and moth species[7, 8, 9, 10], it grows well in a spring meadow[8]. A deep rooting plant, it has roots up to 1 metre long and brings up nutrients from lower levels of the soil[11]. An excellent plant to grow in lawns, if the lawn is cut no more than fortnightly then the dandelions will provide a good quantity of edible leaves[PFAF]. Grows well with alfalfa[12, 11]. Another report says that it inhibits the growth of nearby plants[10]. This is probably a reference to the fact that the plant gives off ethylene gas, this gas is a hormone that promotes the premature ripening of fruits and also induces the premature fruiting of plants, thereby stunting their growth[13, 12]. T. officinale is not a valid name for this species, but no valid name has as yet been ascribed to it[14]. This is actually an aggregate species of many hundreds of slightly differing species. Most seed production is apomictic which means that plants produce seed non-sexually and all seedlings are clones of the parent, thus small differences are maintained.

Propagation

Seed - sow spring in a cold frame and either surface-sow or only just cover the seed. Make sure the compost does not dry out. Germination should take place within 2 weeks, though 2 weeks cold stratification may improve germination. Prick out the seedlings into individual pots when they are large enough to handle, choosing relatively deep pots to accommodate the tap root. Plant them out in early summer. Division in early spring as the plant comes into growth. Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2026-02-21. <temperate.theferns.info/plant/Taraxacum+officinale>

Pollinators

Insects, Self, apomictic

References

  1. [1]Poisonous Plants and Animals. — Altmann. H. · Chatto and Windus · 1980 · ISBN 0-7011-2526-8 ↩︎A small book, reasonable but not very detailed.
  2. [2]A Field Guide to Medicinal Plants. Eastern and Central N. America. — Foster. S. & Duke. J. A. · Houghton Mifflin Co. · 1990 · ISBN 0395467225 ↩︎A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
  3. [3]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 ]).
  4. [4]The Gardener's Assistant. — Thompson. B. · Blackie and Son. · 1878 · ISBN - ↩︎Excellent general but extensive guide to gardening practices in the 19th century. A very good section on fruits and vegetables with many little known species.
  5. [5]Encyclopaedia of Herbs and their Uses. — Bown. D. · Dorling Kindersley, London. · 1995 · ISBN 0-7513-020-31 ↩︎A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
  6. [6]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.
  7. [7]A Modern Herbal. — Grieve. · Penguin · 1984 · ISBN 0-14-046-440-9 ↩︎Not so modern (1930's?) but lots of information, mainly temperate plants.
  8. [8]Making a Wildlife Garden. — Baines. C. ↩︎Fairly good with lots of ideas about creating wildlife areas in the garden.
  9. [9]Butterflies and Moths in Britain and Europe. — Carter D. · Pan · 1982 · ISBN 0-330-26642-x ↩︎An excellent book on Lepidoptera, it also lists their favourite food plants.
  10. [10]How to Enjoy your Weeds. — Hatfield. A. W. · Frederick Muller Ltd · 1977 · ISBN 0-584-10141-4 ↩︎Interesting reading.
  11. [11]A - Z of Companion Planting. — Allardice.P. · Cassell Publishers Ltd. · 1993 · ISBN 0-304-34324-2 ↩︎A well produced and very readable book.
  12. [12]Companion Plants. — Philbrick H. and Gregg R. B. · Watkins · 1979 · ISBN - ↩︎Details of beneficial and antagonistic relationships between neighbouring plants.
  13. [13]Complete Guide to Herbs. — Holtom. J. and Hylton. W. · Rodale Press · 1979 · ISBN 0-87857-262-7 ↩︎A good herbal.
  14. [14]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.
  15. [15]Flora of the British Isles. — Clapham, Tutin and Warburg. · Cambridge University Press · 1962 · ISBN - ↩︎A very comprehensive flora, the standard reference book but it has no pictures.
  16. [16]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.
  17. [17]Food for Free. — Mabey. R. · Collins · 1974 · ISBN 0-00-219060-5 ↩︎Edible wild plants found in Britain. Fairly comprehensive, very few pictures and rather optimistic on the desirability of some of the plants.
  18. [18]Encyclopaedia of Medicinal Plants. — Chiej. R. · MacDonald · 1984 · ISBN 0-356-10541-5 ↩︎Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
  19. [19]Edible and Medicinal Plants. — Launert. E. · Hamlyn · 1981 · ISBN 0-600-37216-2 ↩︎Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
  20. [20]Britain's Wild Larder. — Loewenfeld. C. and Back. P. · David & Charles; Newton Abbot. · ISBN 0-7153-7971-2 ↩︎A handy pocket guide.
  21. [21]Rare Vegetables for Garden and Table. — Organ. J. · Faber · 1960 · ISBN - ↩︎Unusual vegetables that can be grown outdoors in Britain. A good guide.
  22. [22]Flora of Victoria. — Ewart. A. J. · University Press; Melbourne · 1930 ↩︎A flora of eastern Australia, it is rather short on information that is useful to the plant project.
  23. [23]Native Edible Plants of New Zealand. — Crowe. A. · Hodder and Stoughton · 1990 · ISBN 0-340-508302 ↩︎A very well written and illustrated book based on the authors own experiments with living on a native diet.
  24. [24]Wild Food Plants of Indiana. — McPherson. A. and S. · Indiana University Press · 1977 · ISBN 0-253-28925-4 ↩︎A nice pocket guide to this region of America.
  25. [25]Native Harvests. — Kavasch. B. · Vintage Books · 1979 · ISBN 0-394-72811-4 ↩︎Another guide to the wild foods of America.
  26. [26]Earth Medicine, Earth Food. — Weiner. M. A. · Ballantine Books · 1980 · ISBN 0-449-90589-6 ↩︎A nice book to read though it is difficult to look up individual plants since the book is divided into separate sections dealing with the different medicinal uses plus a section on edible plants. Common names are used instead of botanical.
  27. [27]The Herb Book. — Lust. J. · Bantam books · 1983 · ISBN 0-553-23827-2 ↩︎Lots of information tightly crammed into a fairly small book.
  28. [28]The Dictionary of Modern Herbalism. — Mills. S. Y. ↩︎An excellent small herbal.
  29. [29]Handbook of Chinese Herbs and Formulas. — Yeung. Him-Che. · Institute of Chinese Medicine, Los Angeles · 1985 · ISBN - ↩︎An excellent Chinese herbal giving information on over 500 species. Rather technical and probably best suited to the more accomplished user of herbs.
  30. [30]Commonsense Compost Making. — Bruce. M. E. · Faber · 1977 · ISBN 0-571-09990-4 ↩︎Excellent little booklet dealing with how to make compost by using herbs to activate the heap. Gives full details of the herbs that are used.
  31. [31]Alternative Enterprises for Agriculture in the UK. — Carruthers. S. P. (Editor) · Centre for Agricultural Strategy, Univ. of Reading · 1986 · ISBN 0704909820 ↩︎Some suggested alternative commercial crops for Britain. Readable. Produced by a University study group.
  32. [PFAF]Plants for a Future — pfaf.org ↩︎