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Artemisia absinthum - L.
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| Common Name
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Wormwood
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| Family
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Compositae
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| Synonyms
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| Known Hazards
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The plant is poisonous if used in large quantities[20, 61]. Even small quantities have been known to cause nervous disorders, convulsions, insomnia etc[222]. Just the scent of the plant has been known to cause headaches and nervousness in some people[169].
The plant contains thujone. In small quantities this acts as a brain stimulant but is toxic in excess[254].
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| Habitats
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Waste land, rocks and screes[4, 9, 100].
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| Range
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Temperate regions of Europe and Asia, including Britain, north to Lapland and Siberia.
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Edibility Rating 
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| Medicinal Rating
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| | Care
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| Physical Characteristics
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PERENNIAL growing to 1 m (3ft 3in) by 0.6 m (2ft).
It is hardy to zone 4 and is not frost tender. It is in flower from Jul to August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Wind.
The plant prefers light (sandy) and medium (loamy) soils, requires well-drained soil and can grow in nutritionally poor soil.The plant prefers acid, neutral and basic (alkaline) soils. and can grow in very alkaline soils.
It can grow in semi-shade (light woodland) or no shade.It requires dry or moist soil and can tolerate drought.
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http://commons.wikimedia.org/wiki/User:Eddideigel |
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| http://commons.wikimedia.org/wiki/User:Eddideigel |
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| Habitats
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Cultivated Beds;
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| Edible Uses
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Leaves are occasionally used as a flavouring[27, 177, 183]. Caution is advised, prolonged use is known to have a detrimental effect - see the notes above on toxicity[K].
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| Medicinal Uses
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Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Anthelmintic; Antiseptic; Antispasmodic; Carminative; Cholagogue; Emmenagogue; Febrifuge; Homeopathy; Hypnotic; Stimulant; Stomachic;
Tonic; Vermifuge.
Wormwood is a very bitter plant with a long history of use as a medicinal herb. It is valued especially for its tonic effect on the liver, gallbladder and digestive system, and for its vermicidal activity[4, 238, 254]. It is an extremely useful medicine for those with weak and under-active digestion. It increases stomach acid and bile production, improving digestion and the absorption of nutrients[254]. It also eases wind and bloating and, if taken regularly, helps the body return to full vitality after a prolonged illness[254].
The leaves and flowering shoots are anthelmintic, anti-inflammatory, antiseptic, antispasmodic, antitumor, carminative, cholagogue, emmenagogue, febrifuge, hypnotic, stimulant, stomachic, tonic and vermifuge[4, 9, 21, 46, 165, 222, 254]. The plant is harvested as it is coming into flower and then dried for later use[4]. Use with caution[21], the plant should be taken internally in small doses for short-term treatment only, preferably under the supervision of a qualified practitioner[238]. It should not be prescribed for children or pregnant women[238]. See also the notes above on toxicity.
The extremely bitter leaves are chewed to stimulate the appetite[222]. The bitter taste on the tongue sets off a reflex action, stimulating stomach and other digestive secretions[254]. The leaves have been used with some success in the treatment of anorexia nervosa[244].
The plant is applied externally to bruises and bites[238]. A warm compress has been used to ease sprains and strained muscles[257].
A homeopathic remedy is made from the leaves[9]. It is used to stimulate bile and gastric juice production and to treat disorders of the liver and gall bladder[9].
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| Other Uses
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Repellent; Strewing.
The fresh or dried shoots are said to repel insects and mice[6, 18, 20, 169], they have been laid amongst clothing to repel moths and have also been used as a strewing herb[4, 14, 257]. An infusion of the plant is said to discourage slugs and insects[14, 18, 201]. The plant contains substances called sesquiterpene lactones, these are strongly insecticidal[254].
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| Cultivation details
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Succeeds in any soil but it is best in a poor dry one with a warm aspect[37]. Established plants are very drought tolerant[190, 200]. Plants are longer lived, more hardy and more aromatic when they are grown in a poor dry soil[245]. Easily grown in a well-drained circumneutral or slightly alkaline loamy soil, preferring a sunny position[1, 200]. Prefers a shady situation according to another report[4]. Tolerates a pH in the range 4.8 to 8.2.
Wormwood is occasionally grown in the herb garden, there are some named forms[187]. The growing plant is said to inhibit the growth of fennel, sage, caraway, anise and most young plants, especially in wet years[14, 18, 20]. Wormwood is a good companion for carrots, however, helping to protect them from root fly[201].
This herb was at one time the principal flavouring in the liqueur 'Absinthe' but its use has now been banned in most countries since prolonged consumption can lead to chronic poisoning, epileptiform convulsions and degeneration of the central nervous system[244].
The scent of the plant attracts dogs[169].
Members of this genus are rarely if ever troubled by browsing deer[233].
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| Propagation
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Seed - surface sow from late winter to early summer in a greenhouse. The seed usually germinates within 2 - 26 weeks at 15°c[134]. When they are large enough to handle, prick the seedlings out into individual pots. They can be planted out in the summer, or kept in pots in a cold frame for the winter and then planted out in the spring.
Cuttings of half-ripe wood, July/August in a frame.
Division in spring or autumn.
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| Botanical References
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| 17200
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| Links / References
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[K] Ken Fern Notes from observations, tasting etc at Plants For A Future and on field trips.
| [1]F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956
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| Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).
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| [4]Grieve. A Modern Herbal.
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| Not so modern (1930's?) but lots of information, mainly temperate plants.
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| [6]Mabey. R. Plants with a Purpose.
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| Details on some of the useful wild plants of Britain. Poor on pictures but otherwise very good.
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| [9]Launert. E. Edible and Medicinal Plants.
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| Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
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| [14]Holtom. J. and Hylton. W. Complete Guide to Herbs.
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| A good herbal.
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| [18]Philbrick H. and Gregg R. B. Companion Plants.
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| Details of beneficial and antagonistic relationships between neighbouring plants.
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| [20]Riotte. L. Companion Planting for Successful Gardening.
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| Fairly good.
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| [21]Lust. J. The Herb Book.
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| Lots of information tightly crammed into a fairly small book.
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| [27]Vilmorin. A. The Vegetable Garden.
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| A reprint of a nineteenth century classic, giving details of vegetable varieties. Not really that informative though.
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| [37]Thompson. B. The Gardener's Assistant.
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| 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.
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| [46]Uphof. J. C. Th. Dictionary of Economic Plants.
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| 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.
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| [100]Polunin. O. Flowers of Europe - A Field Guide.
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| An excellent and well illustrated pocket guide for those with very large pockets. Also gives some details on plant uses.
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| [134]Rice. G. (Editor) Growing from Seed. Volume 2.
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| Very readable magazine with lots of information on propagation. An interesting article on Ensete ventricosum.
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| [165]Mills. S. Y. The Dictionary of Modern Herbalism.
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| An excellent small herbal.
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| [169]Buchanan. R. A Weavers Garden.
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| Covers all aspects of growing your own clothes, from fibre plants to dyes.
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| [177]Kunkel. G. Plants for Human Consumption.
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| An excellent book for the dedicated. A comprehensive listing of latin names with a brief list of edible parts.
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| [183]Facciola. S. Cornucopia - A Source Book of Edible Plants.
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| 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.
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| [187]Phillips. R. & Rix. M. Perennials Volumes 1 and 2.
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| Photographs of over 3,000 species and cultivars of ornamental plants together with brief cultivation notes, details of habitat etc.
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| [190]Chatto. B. The Dry Garden.
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| A good list of drought resistant plants with details on how to grow them.
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| [200]Huxley. A. The New RHS Dictionary of Gardening. 1992.
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| Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
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| [201]Allardice.P. A - Z of Companion Planting.
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| A well produced and very readable book.
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| [222]Foster. S. & Duke. J. A. A Field Guide to Medicinal Plants. Eastern and Central N. America.
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| 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.
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| [233]Thomas. G. S. Perennial Garden Plants
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| A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.
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| [238]Bown. D. Encyclopaedia of Herbs and their Uses.
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| 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.
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| [244]Phillips. R. & Foy. N. Herbs
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| Deals with all types of herbs including medicinal, culinary, scented and dye plants. Excellent photographs with quite good information on each plant.
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| [245]Genders. R. Scented Flora of the World.
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| An excellent, comprehensive book on scented plants giving a few other plant uses and brief cultivation details. There are no illustrations.
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| [254]Chevallier. A. The Encyclopedia of Medicinal Plants
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| An excellent guide to over 500 of the more well known medicinal herbs from around the world.
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| [257]Moerman. D. Native American Ethnobotany
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| Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
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| Subject : Artemisia absinthum |
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