Allium cepa
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Allium cepa

yellow onion

  family alliaceae 
  genus allium 

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Genus  Allium Species  cepa Variety  Cultivar  Common names  yellow onion   shallot Family  ALLIACEAE Specimen number  S12730 Data source  ColorNat p21;DyePl p60;DyePl p70;DyePl p31;DyeFib p93;MedPl p162;UnVeg p357
Life cycle
Life form  Terrestrial Life cycle  Annual Life span  1 year Annual cycle  Not applicable Stature  Flower Growth form  Not applicable Growth habit    Overall height  2' Overall spread   
Sunshine  Full sun Water    Optimal soil texture  Soil texture 26 Acceptable soil pH  Various USDA hardiness  Not classified AHS heat zones  Not classified Sunset climate zones  Not classified
Suitable for gardens  no Nursery  Unknown Compost  no Size at acquisition  Unknown Garden location  Unknown Garden notes  The skins of Allium cepa have been used in traditional fabric dyeing. A range of possible colors can be produced by Shallot (also known as yellow onion) including burnt umber, lime green, orange, yellow, brown, olive green, reddish brown, bronze and gold. Onion is used in Lapland for dyeing. It is used in dyeing wool. Common mordants used to fix the color to the fabric when dyeing with this plant include alum, ferrous sulfate or copper sulfate. Full sun is best for growing this plant.
Special qualities
Tolerates drought  no Tolerates high humidity  no Tolerates seaside conditions  no Insect resistant  no Disease resistant  no Deer resistant  no Best uses    Symbiosis  Attracts butterflies  no Attracts hummingbirds  no Autumn foliage  no Colorful berries  no Desirable qualities    Other interest    Other interest color  Other interest period   
Adverse factors
Common pests  Poisonous parts  Poisonous indications  Internal poison  no Dermatologic poison  no Livestock poison  no Mechanical injury  no Hay fever pollen    Hay fever season    Adverse qualities   
Herbal medicine
Medicinal properties  diuretic   antibiotic   anti-inflammatory   analgesic   expectorant   antirheumatic Medicinal parts  Bulbs Has medicinal uses  yes Do not self-administer  no Do no use if pregnant  no Legally restricted  no Toxicity precautions  Medicinal notes  The bulbs of this plant and the leaves are both edible. Allium cepa is most often used as a flavoring. Shallot (sometimes called yellow onion) has numerous traditional medicinal uses. Some of its many uses are: as a diuretic, as an antibiotic, as an anti-inflammatory and as an analgesic. More uses are listed in the medicinal properties section. The plant parts used in herbal preparations are the bulbs.
Traditional uses
Parts used  Traditional uses  Contemporary uses  Fragrance  Fragrance parts  Fragrance intensity    Fragrance category    Dye parts  Skins Dye color  burnt umber,lime green,orange,yellow,brown,olive green,reddish brown,bronze,gold
Propagule  Seed Pollination method    Planting style  Clumps Crop spacing  4" Row spacing    Cold frame  Planting period  May 01 - May 31 Harvesting period    Frost tolerance  Partially hardy Heat requirement  Any Fertilizer  Low nitrogen Time to harvest  bulbs ready in fall, stalks ready all yr
Is edible  yes Culinary uses  Flavoring Nutritional value  Edible parts  Bulbs   Leaves Description of edible parts Flavor / texture  has a very mild onion flavor
Horticulture notes  The best month for planting is May. When planted agriculturally, space the plants 4" apart. Low nitrogen is required for optimal growth. Harvesting: bulbs ready in fall, stalks ready all yr. Allium cepa is typically propagated by seed. Shallot (in some places called yellow onion) most likely originates from Eire and Lapland.
Tag needs printing  no Collection notes  Allium cepa has an annual life cycle.

Page 191 of 4998

Last reviewed November 01, 2004   


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