Conium maculatum
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Conium maculatum

poison hemlock

  family umbelliferae 
  genus conium 

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Genus  Conium Species  maculatum Variety  Cultivar  Common names  poison hemlock Family  UMBELLIFERAE Specimen number  S6164 Data source  BtrflyCa p5;MedPl p192;Poison p82;Frgnt p263
Life cycle
Life form  Terrestrial Life cycle  Various Life span    Annual cycle  Not applicable Stature  Various Growth form  Not applicable Growth habit  Various Overall height  4' - 8' Overall spread   
Sunshine  Various Water  Various Optimal soil texture  Various 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  Conium maculatum is a host plant for the anise swallowtail butterfly. The leaves of Poison hemlock have a mildly nauseous aroma.
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  Papillo zelicaon (anise swallowtail butterfly) Attracts butterflies  yes 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  Seeds   Roots   Whole plant Poisonous indications  It looks like wild carrot. The poisonous seeds and roots are fatal if ingested. Internal poison  yes Dermatologic poison  no Livestock poison  no Mechanical injury  no Hay fever pollen    Hay fever season    Adverse qualities   
Herbal medicine
Medicinal properties  paralytic Medicinal parts  Leaves   Seeds Has medicinal uses  yes Do not self-administer  yes Do no use if pregnant  no Legally restricted  yes Toxicity precautions  It is fatal if taken internally. Medicinal notes  Conium maculatum may have beneficial uses as a paralytic. Poison hemlock should only be used under professional guidance. This plant is legally restricted in some countries. Can be fatal if taken internally. The leaves and the seeds are used in herbal preparations. It is fatal if taken internally. This whole plant is toxic. It is poisonous if ingested. It looks like wild carrot. The poisonous seeds and roots are fatal if ingested.
Traditional uses
Parts used  Traditional uses  Contemporary uses  Fragrance  abominable odor Fragrance parts  Leaves Fragrance intensity  Mild Fragrance category  Nauseous Dye parts  Dye color 
Propagule  Various Pollination method    Planting style    Crop spacing    Row spacing    Cold frame  Planting period    Harvesting period    Frost tolerance    Heat requirement    Fertilizer  Typical Time to harvest 
Is edible  no Culinary uses  Nutritional value  Edible parts  Description of edible parts Flavor / texture 
Horticulture notes 
Tag needs printing  no Collection notes  Flowers: Conium maculatum has white flowers in umbels. The blossoms are typically of a white color.

Page 1270 of 4998

Last reviewed November 01, 2004   


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