Allium ampeloprasum Leek Group
.
Amaryllidaceae
Allium ampeloprasum is a very variable species and has been treated in various ways in the past, with many subspecies and vars being recognized. Current classification in the 'World Checklist of Selected Plant Families' (2016), treats it as one variable species, but does not recognize any subspecies or vars, Instead, it recognizes different cultivated groups of plants and, since all of these different forms, including the various cultivated forms, intergrade into each other, we are following this treatment here. We are, however, also including Babbington's Leek (Allium ampeloprasum babbingtonii) here as a separate subspecies since it is clearly distinct in its production of bulbils and therefore has a somewhat different range of uses[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Allium ampeloprasum porrum (L.) J.Gay
Allium porrum L.
Porrum sativum Mill.
Common Name: Leek
General Information
Allium ampeloprasum Leek Group is a herbaceous, perennial plant, usually cultivated as a biennial, producing a pseudostem of leaves 50 - 70cm long and a flowering scape 60 - 80cm tall. The bulb of this form is much reduced[
266- Title
- Flora of China
- Publication
-
- Author
-
- Website
- http://flora.huh.harvard.edu/china/
- Publisher
- Missouri Botanical Garden Press; St. Louis.
- Year
- 1994
- ISBN
-
- Description
- An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available.
].
The leek is often cultivated as a winter vegetable in the temperate zone, both on a garden scale and also commercially.
Known Hazards
Although no individual reports regarding this species have been seen, there have been cases of poisoning caused by the consumption, in large quantities and by some mammals, of certain members of this genus. Dogs seem to be particularly susceptible[
76- Title
- Poisonous Plants in Britain and their Effects on Animals and Man.
- Publication
-
- Author
- Cooper. M. and Johnson. A.
- Publisher
- HMSO
- Year
- 1984
- ISBN
- 0112425291
- Description
- Concentrates mainly on the effects of poisonous plants to livestock.
].
Botanical References
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
Range
A cultivated form of the wild leek (Allium ampeloprasum), not known as a wild plant
Habitat
Not known in the wild.
Properties
Edibility Rating | |
Medicinal Rating | |
Habit | Bulb |
Height | 0.90 m |
Pollinators | Bees, Insects |
Cultivation Status | Cultivated |
Cultivation Details
Prefers a sunny position in a light well-drained soil[
1- Title
- RHS Dictionary of Plants plus Supplement. 1956
- Publication
-
- Author
- F. Chittendon.
- Publisher
- Oxford University Press
- Year
- 1951
- ISBN
- -
- Description
- Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
] but succeeds in most soils[
16- Title
- New Vegetable Growers Handbook.
- Publication
-
- Author
- Simons.
- Publisher
- Penguin
- Year
- 1977
- ISBN
- 0-14-046-050-0
- Description
- A good guide to growing vegetables in temperate areas, not entirely organic.
]. Grows well in heavy clay soils. Prefers an open situation[
1- Title
- RHS Dictionary of Plants plus Supplement. 1956
- Publication
-
- Author
- F. Chittendon.
- Publisher
- Oxford University Press
- Year
- 1951
- ISBN
- -
- Description
- Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
,
37- Title
- The Gardener's Assistant.
- Publication
-
- Author
- Thompson. B.
- Publisher
- Blackie and Son.
- Year
- 1878
- ISBN
- -
- Description
- 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.
]. Does best in a soil that was well fed for a previous crop[
1- Title
- RHS Dictionary of Plants plus Supplement. 1956
- Publication
-
- Author
- F. Chittendon.
- Publisher
- Oxford University Press
- Year
- 1951
- ISBN
- -
- Description
- Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
]. Tolerates a pH in the range 5.2 to 8.3.
The leek is a widely cultivated vegetable, there are many named varieties[
183- Title
- Cornucopia - A Source Book of Edible Plants.
- Publication
-
- Author
- Facciola. S.
- Publisher
- Kampong Publications
- Year
- 1990
- ISBN
- 0-9628087-0-9
- Description
- 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.
]. Young plants are often planted quite deeply in the soil (8 - 10cm deep) in order to blanch the lower stem, it is also a common practice to earth up the growing plants in order to blanch right the way up the stems. Whilst this does make the stems more tender, it also results in a loss of minerals and vitamins.
Although commonly treated as a biennial, this plant is a true perennial, perennating by means of small lateral growths and often developing a roundish bulb at the base of the main growth[
1- Title
- RHS Dictionary of Plants plus Supplement. 1956
- Publication
-
- Author
- F. Chittendon.
- Publisher
- Oxford University Press
- Year
- 1951
- ISBN
- -
- Description
- Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
].
A relatively slow-growing plant, it can be interplanted in early summer with faster maturing species such as lettuces[
201- Title
- A - Z of Companion Planting.
- Publication
-
- Author
- Allardice.P.
- Publisher
- Cassell Publishers Ltd.
- Year
- 1993
- ISBN
- 0-304-34324-2
- Description
- A well produced and very readable book.
].
The bulbs should be planted fairly deeply[
1- Title
- RHS Dictionary of Plants plus Supplement. 1956
- Publication
-
- Author
- F. Chittendon.
- Publisher
- Oxford University Press
- Year
- 1951
- ISBN
- -
- Description
- Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
].
Edible Uses
The leaves and long white blanched stem are eaten cooked[
2- Title
- Sturtevant's Edible Plants of the World.
- Publication
-
- Author
- Hedrick. U. P.
- Publisher
- Dover Publications
- Year
- 1972
- ISBN
- 0-486-20459-6
- Description
- Lots of entries, quite a lot of information in most entries and references.
,
16- Title
- New Vegetable Growers Handbook.
- Publication
-
- Author
- Simons.
- Publisher
- Penguin
- Year
- 1977
- ISBN
- 0-14-046-050-0
- Description
- A good guide to growing vegetables in temperate areas, not entirely organic.
,
37- Title
- The Gardener's Assistant.
- Publication
-
- Author
- Thompson. B.
- Publisher
- Blackie and Son.
- Year
- 1878
- ISBN
- -
- Description
- 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.
,
183- Title
- Cornucopia - A Source Book of Edible Plants.
- Publication
-
- Author
- Facciola. S.
- Publisher
- Kampong Publications
- Year
- 1990
- ISBN
- 0-9628087-0-9
- Description
- 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.
]. They can also be cut into thin slices and be added to salads[
183- Title
- Cornucopia - A Source Book of Edible Plants.
- Publication
-
- Author
- Facciola. S.
- Publisher
- Kampong Publications
- Year
- 1990
- ISBN
- 0-9628087-0-9
- Description
- 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.
]. A mild onion flavour with a delightful sweetness[
183- Title
- Cornucopia - A Source Book of Edible Plants.
- Publication
-
- Author
- Facciola. S.
- Publisher
- Kampong Publications
- Year
- 1990
- ISBN
- 0-9628087-0-9
- Description
- 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.
,
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Bulb - raw or cooked. The bulb is produced in the plants second year of growth (that is, after it is normally harvested). The bulb is somewhat larger if the plant is prevented from flowering[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Flowers - raw. Used as a garnish on salads, though they are rather on the dry side and less pleasant than many other members of the genus[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Medicinal
This species has the same medicinal virtues as garlic, but in a much milder and less effective form[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- 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.
]. These virtues are as follows:-
Garlic has a very long folk history of use in a wide range of ailments, particularly ailments such as ringworm, Candida and vaginitis where its fungicidal, antiseptic, tonic and parasiticidal properties have proved of benefit[
218- Title
- Medicinal Plants of China
- Publication
-
- Author
- Duke. J. A. and Ayensu. E. S.
- Publisher
- Reference Publications, Inc.
- Year
- 1985
- ISBN
- 0-917256-20-4
- Description
- Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.
]. The plant produces inhibitory effects on gram-negative germs of the typhoid-paratyphoid-enteritis group, indeed it possesses outstanding germicidal properties[
240- Title
- Glossary of Indian Medicinal Plants (Including the Supplement).
- Publication
-
- Author
- Chopra. R. N., Nayar. S. L. and Chopra. I. C.
- Publisher
- Council of Scientific and Industrial Research, New Delhi.
- Year
- 1986
- ISBN
- -
- Description
- Very terse details of medicinal uses of plants with a wide range of references and details of research into the plants chemistry. Not for the casual reader.
] and can keep amoebic dysentery at bay[
244- Title
- Herbs
- Publication
-
- Author
- Phillips. R. & Foy. N.
- Publisher
- Pan Books Ltd. London.
- Year
- 1990
- ISBN
- 0-330-30725-8
- Description
- Deals with all types of herbs including medicinal, culinary, scented and dye plants. Excellent photographs with quite good information on each plant.
]. It is also said to have anticancer activity[
218- Title
- Medicinal Plants of China
- Publication
-
- Author
- Duke. J. A. and Ayensu. E. S.
- Publisher
- Reference Publications, Inc.
- Year
- 1985
- ISBN
- 0-917256-20-4
- Description
- Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.
]. It has also been shown that garlic aids detoxification of chronic lead poisoning[
244- Title
- Herbs
- Publication
-
- Author
- Phillips. R. & Foy. N.
- Publisher
- Pan Books Ltd. London.
- Year
- 1990
- ISBN
- 0-330-30725-8
- Description
- Deals with all types of herbs including medicinal, culinary, scented and dye plants. Excellent photographs with quite good information on each plant.
]. Daily use of garlic in the diet has been shown to have a very beneficial effect on the body, especially the blood system and the heart. For example, demographic studies suggest that garlic is responsible for the low incidence of arteriosclerosis in areas of Italy and Spain where consumption of the bulb is heavy[
222- Title
- A Field Guide to Medicinal Plants. Eastern and Central N. America.
- Publication
-
- Author
- Foster. S. & Duke. J. A.
- Publisher
- Houghton Mifflin Co.
- Year
- 1990
- ISBN
- 0-395-46722-5
- Description
- 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.
]. Recent research has also indicated that garlic reduces glucose metabolism in diabetics, slows the development of arteriosclerosis and lowers the risk of further heart attacks in myocardial infarct patients[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- 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.
,
254- Title
- The Encyclopedia of Medicinal Plants
- Publication
-
- Author
- Chevallier. A.
- Publisher
- Dorling Kindersley. London
- Year
- 1996
- ISBN
- 9-780751-303148
- Description
- An excellent guide to over 500 of the more well known medicinal herbs from around the world.
]. Externally, the expressed juice is an excellent antiseptic for treating wounds[
244- Title
- Herbs
- Publication
-
- Author
- Phillips. R. & Foy. N.
- Publisher
- Pan Books Ltd. London.
- Year
- 1990
- ISBN
- 0-330-30725-8
- Description
- Deals with all types of herbs including medicinal, culinary, scented and dye plants. Excellent photographs with quite good information on each plant.
].
The fresh bulb is much more effective medicinally than stored bulbs, extended storage greatly reduces the anti-bacterial action[
244- Title
- Herbs
- Publication
-
- Author
- Phillips. R. & Foy. N.
- Publisher
- Pan Books Ltd. London.
- Year
- 1990
- ISBN
- 0-330-30725-8
- Description
- Deals with all types of herbs including medicinal, culinary, scented and dye plants. Excellent photographs with quite good information on each plant.
].
The bulb is said to be anthelmintic, antiasthmatic, anticholesterolemic, antiseptic, antispasmodic, cholagogue, diaphoretic, diuretic, expectorant, febrifuge, stimulant, stings, stomachic, tonic, vasodilator[
4- Title
- A Modern Herbal.
- Publication
-
- Author
- Grieve.
- Publisher
- Penguin
- Year
- 1984
- ISBN
- 0-14-046-440-9
- Description
- Not so modern (1930's?) but lots of information, mainly temperate plants.
,
9- Title
- Edible and Medicinal Plants.
- Publication
-
- Author
- Launert. E.
- Publisher
- Hamlyn
- Year
- 1981
- ISBN
- 0-600-37216-2
- Description
- Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
,
14- Title
- Complete Guide to Herbs.
- Publication
-
- Author
- Holtom. J. and Hylton. W.
- Publisher
- Rodale Press
- Year
- 1979
- ISBN
- 0-87857-262-7
- Description
- A good herbal.
,
21- Title
- The Herb Book.
- Publication
-
- Author
- Lust. J.
- Publisher
- Bantam books
- Year
- 1983
- ISBN
- 0-553-23827-2
- Description
- Lots of information tightly crammed into a fairly small book.
,
46- Title
- Dictionary of Economic Plants.
- Publication
-
- Author
- Uphof. J. C. Th.
- Publisher
- Weinheim
- Year
- 1959
- ISBN
- -
- Description
- 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.
,
165- Title
- The Dictionary of Modern Herbalism.
- Publication
-
- Author
- Mills. S. Y.
- Publisher
-
- Year
-
- ISBN
-
- Description
- An excellent small herbal.
].
Agroforestry Uses:
Allium species usually grow well with most plants, especially roses, carrots, beet and chamomile, but they inhibit the growth of legumes[
18- Title
- Companion Plants.
- Publication
-
- Author
- Philbrick H. and Gregg R. B.
- Publisher
- Watkins
- Year
- 1979
- ISBN
- -
- Description
- Details of beneficial and antagonistic relationships between neighbouring plants.
,
20- Title
- Companion Planting for Successful Gardening.
- Publication
-
- Author
- Riotte. L.
- Publisher
- Garden Way, Vermont, USA.
- Year
- 1978
- ISBN
- 0-88266-064-0
- Description
- Fairly good.
,
54- Title
- How to Enjoy your Weeds.
- Publication
-
- Author
- Hatfield. A. W.
- Publisher
- Frederick Muller Ltd
- Year
- 1977
- ISBN
- 0-584-10141-4
- Description
- Interesting reading.
]. They are, in general, bad companions for alfalfa - each species negatively affecting the other[
201- Title
- A - Z of Companion Planting.
- Publication
-
- Author
- Allardice.P.
- Publisher
- Cassell Publishers Ltd.
- Year
- 1993
- ISBN
- 0-304-34324-2
- Description
- A well produced and very readable book.
].
Members of this genus are rarely if ever troubled by browsing deer[
233- Title
- Perennial Garden Plants
- Publication
-
- Author
- Thomas. G. S.
- Publisher
- J. M. Dent & Sons, London.
- Year
- 1990
- ISBN
- 0 460 86048 8
- Description
- A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.
].
Other Uses
Although no specific mention has been seen for this species, the juice of most species in this genus (especially those with a strong onion or garlic smell) can be used as a moth repellent[
20- Title
- Companion Planting for Successful Gardening.
- Publication
-
- Author
- Riotte. L.
- Publisher
- Garden Way, Vermont, USA.
- Year
- 1978
- ISBN
- 0-88266-064-0
- Description
- Fairly good.
].
The whole plant is said to repel insects and moles[
20- Title
- Companion Planting for Successful Gardening.
- Publication
-
- Author
- Riotte. L.
- Publisher
- Garden Way, Vermont, USA.
- Year
- 1978
- ISBN
- 0-88266-064-0
- Description
- Fairly good.
].
Propagation
Seed - for an early crop, or for larger plants, sow the seed in early spring in a greenhouse and plant out in May. For smaller or later plants, sow mid spring in an outdoor seedbed and plant out as space permits in mid to late summer.