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Summary
Physical Characteristics
Allium cepa proliferum is a BULB growing to 1.2 m (4ft).
See above for USDA hardiness. It is hardy to UK zone 5 and is not frost tender. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, insects.
Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Cultivated Beds;
Edible Uses
Edible Parts: Leaves Root
Edible Uses:
The plant forms small bulbs at the top of the flowering stem, these can be eaten raw or cooked[16, 33]. They have a strong onion flavour and are often used as pickled onions or added to salads[K]. As long as the bulbils are dried properly at harvest time, they store well[4]. Bulb - raw or cooked. The bulb can be up to 4cm in diameter and has a strong onion flavour[K]. Chopped into slices, it makes a good addition to salads and can also be used as a vegetable or as a flavouring in cooked foods[K]. Leaves - raw or cooked. A strong onion flavour, it makes a nice flavouring in salads though it should not be harvested in quantity because this would reduce the yield of bulbils[K]. The leaves are produced from late autumn, though we have found that harvesting them at this time will often encourage diseases such as mildew[K].
References More on Edible Uses
Medicinal Uses
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 Antiinflammatory Antiseptic Antispasmodic Carminative Diuretic Expectorant Febrifuge
Hypoglycaemic Hypotensive Lithontripic Skin Stomachic Tonic
Although rarely used specifically as a medicinal herb, the onion has a wide range of beneficial actions on the body and when eaten (especially raw) on a regular basis will promote the general health of the body. The bulb is anthelmintic, anti-inflammatory, antiseptic, antispasmodic, carminative, diuretic, expectorant, febrifuge, hypoglycaemic, hypotensive, lithontripic, stomachic and tonic[4, 7, 21]. When used regularly in the diet it offsets tendencies towards angina, arteriosclerosis and heart attack[254]. It is also useful in preventing oral infection and tooth decay[254]. Baked onions can be used as a poultice to remove pus from sores[254]. Fresh onion juice is a very useful first aid treatment for bee and wasp stings, bites, grazes or fungal skin complaints[7, 201]. When warmed the juice can be dropped into the ear to treat earache[254]. It also aids the formation of scar tissue on wounds, thus speeding up the healing process, and has been used as a cosmetic to remove freckles[7].
References More on Medicinal Uses
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Other Uses
Cosmetic Dye Hair Polish Repellent Rust
The juice of the plant is used as a moth repellent and can also be rubbed onto the skin to repel insects[7]. The plant juice can be used as a rust preventative on metals and as a polish for copper and glass[7]. A yellow-brown dye is obtained from the skins of the bulbs[141, 168]. Onion juice rubbed into the skin is said to promote the growth of hair and to be a remedy for baldness[7]. It is also used as a cosmetic to get rid of freckles[7]. The growing plant is said to repel insects and moles[201]. A spray made by pouring enough boiling water to cover 1kg of chopped unpeeled onions is said to increase the resistance of other plants to diseases and parasites[201].
Special Uses
Food Forest
References More on Other Uses
Cultivation details
Prefers a sunny position in a light well-drained soil[1] but succeeds in most soils that are in good condition[16]. Tolerates a pH in the range 4.5 to 8.3. The bulbs should be planted fairly deeply[1]. Some modern works have moved this plant from A. cepa, seeing it as being of hybrid origin with A. fistulosum and therefore renaming in A. x proliferum. The tree onion is a genuinely perennial form of A. cepa that is sometimes grown in the herb garden for its edible bulbils. Plants rarely if ever produce seed, instead the flowering head is comprised of a number of small onions or bulbils[16, 33]. Plants are propagated by means of these bulbils or by dividing the main bulb that grows underground[K]. By no means a heavily productive plant, though the bulbils are very well flavoured and the plant is fairly easily grown[K]. Its main problem is that slugs seem to be attracted to it and can eat to death even well-established plants[K]. Grows well with most plants, especially roses, carrots, beet and chamomile, but it inhibits the growth of legumes[18, 20, 54]. This plant is a bad companion for alfalfa, each species negatively affecting the other[201]. Said to be immune to onion root fly[16]. Members of this genus are rarely if ever troubled by browsing deer[233]. The plant is heat tolerant in zones 12 through 2. (Plant Hardiness Zones show how well plants withstand cold winter temperatures.
Plant Heat Zones show when plants would start suffering from the heat.
The Plant Heat Zone map is based on the number of "heat days" experienced in a given area where the temperature climbs to over 86 degrees F (30°C).
At this temperature, many plants begin to suffer physiological damage. Heat Zones range from 1 (no heat days) to 12 (210 or more heat days).
For example Heat Zone. 11-1 indicates that the plant is heat tolerant in zones 11 through 1.) For polyculture design as well as the above-ground architecture (form - tree, shrub etc. and size shown above) information on the habit and root pattern is also useful and given here if available. The plant growth habit is a clumper with limited spread [1-2]. The root pattern is a bulb.
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
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Plant Propagation
Harvest bulbils in late summer and replant immediately or store them in a cool dry frost-free place and plant them out in late winter or early spring. Division of the bulbs after the leaves die down in late summer.
Other Names
If available other names are mentioned here
Tree onion, Topsetting onions, Walking onions, or Egyptian onions.
Native Range
TEMPERATE ASIA: Turkmenistan.
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
|
Latin Name | Common Name | Habit | Height | Hardiness | Growth | Soil | Shade | Moisture | Edible | Medicinal | Other |
Allium acuminatum | Hooker's Onion, Tapertip onion | Bulb | 0.3 |
5-9
| | LM | N | DM | 3 | 2 | 2 |
Allium aflatunense | Persian Onion, Ornamental Onion | Bulb | 1.0 |
4-8
| M | LM | N | M | 2 | 2 | 1 |
Allium akaka | | Bulb | 0.2 |
7-10
| | LM | N | DM | 3 | 2 | 1 |
Allium altaicum | | Bulb | 0.3 |
-
| | LM | N | M | 3 | 2 | 1 |
Allium ampeloprasum | Wild Leek, Broadleaf wild leek | Bulb | 1.8 |
5-9
| | LMH | N | DM | 5 | 3 | 2 |
Allium ampeloprasum babingtonii | Babington's Leek | Bulb | 1.8 |
0-0
| | LMH | N | DM | 3 | 3 | 2 |
Allium angulare | | Bulb | 0.0 |
-
| | LM | N | M | 3 | 2 | 1 |
Allium angulosum | Mouse Garlic | Bulb | 0.5 |
4-8
| | LMH | SN | M | 3 | 2 | 1 |
Allium atropurpureum | | Bulb | 1.0 |
7-10
| | LM | SN | M | 3 | 2 | 1 |
Allium bisceptrum | Aspen Onion, Twincrest onion | Bulb | 0.3 |
7-10
| | LM | N | M | 3 | 2 | 1 |
Allium bodeanum | | Bulb | 0.2 |
-
| | LM | N | DM | 3 | 2 | 1 |
Allium bolanderi | Bolander's Onion | Bulb | 0.2 |
6-9
| | LM | N | M | 3 | 2 | 1 |
Allium brevistylum | Shortstyle Onion | Bulb | 0.5 |
-
| | LM | N | MWe | 3 | 2 | 1 |
Allium canadense | Canadian Garlic, Meadow garlic, Fraser meadow garlic, Hyacinth meadow garlic | Bulb | 0.5 |
4-8
| | LM | SN | MWe | 4 | 2 | 2 |
Allium canadense mobilense | Canadian Garlic | Bulb | 0.5 |
4-8
| | LM | SN | MWe | 5 | 2 | 1 |
Allium carinatum | Keeled Garlic | Bulb | 0.6 |
6-9
| | LMH | SN | M | 3 | 2 | 1 |
Allium carolinianum | | Bulb | 0.4 |
-
| | LM | N | DM | 3 | 2 | 1 |
Allium cepa | Onion, Garden onion | Bulb | 0.6 |
4-10
| | LM | N | M | 5 | 3 | 3 |
Allium cepa aggregatum | Potato Onion | Bulb | 1.2 |
4-8
| | LM | N | M | 4 | 3 | 3 |
Allium cepa ascalonicum | Shallot | Bulb | 0.3 |
4-8
| | LM | N | M | 5 | 3 | 2 |
Allium cernuum | Nodding Onion, New Mexican nodding onion | Bulb | 0.5 |
5-9
| | LMH | N | M | 5 | 2 | 2 |
Allium chinense | Rakkyo | Bulb | 0.3 |
6-9
| | LM | N | M | 4 | 2 | 1 |
Allium condensatum | | Bulb | 0.6 |
4-8
| | LM | N | M | 3 | 2 | 1 |
Allium cupanii | | Bulb | 0.3 |
7-10
| | LM | N | DM | 3 | 2 | 1 |
Allium douglasii | Douglas' Onion | Bulb | 0.3 |
0-0
| | LM | N | DM | 3 | 2 | 1 |
Allium dregeanum | Wild Onion | Bulb | 0.6 |
-
| | LM | N | DM | 3 | 2 | 1 |
Allium drummondii | Prairie Onion, Drummond's onion | Bulb | 0.3 |
6-9
| | LM | N | M | 3 | 2 | 1 |
Allium fistulosum | Welsh Onion | Bulb | 0.6 |
5-9
| | LMH | N | M | 5 | 2 | 2 |
Allium flavum | Small Yellow Onion, Ornamental Onion | Bulb | 0.5 |
4-7
| M | LMH | SN | M | 2 | 2 | 1 |
|
|
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
(Moench) Regel.
Botanical References
200
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