Centaurea macrocephala
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Centaurea macrocephala

bighead knapweed
giant knapweed
globe centaurea

  family asteraceae 
  genus centaurea 

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Identification
Genus  Centaurea Species  macrocephala Variety  Cultivar  Common names  bighead knapweed   giant knapweed   globe centaurea Family  ASTERACEAE Specimen number  S10494 Data source  CrscntBlm;Xeri p282
 
Life cycle
Life form  Terrestrial Life cycle  Perennial Life span  3 - 10 years Annual cycle  Not applicable Stature  Various Growth form  Not applicable Growth habit  Various Overall height  3' Overall spread   
 
Climate
Sunshine  Various Water  Dry Optimal soil texture  Various Acceptable soil pH  Various USDA hardiness  USDA zones 03a-04b AHS heat zones  Not classified Sunset climate zones  Not classified
 
Garden
Suitable for gardens  yes Nursery  Annie's Annuals Compost  no Size at acquisition  4 inch pot Garden location  Unknown Garden notes  Centaurea macrocephala can survive very cold winters with annual averages as low as -40� Fahrenheit. It likes dry soils.
 
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  Medicinal parts  Has medicinal uses  no Do not self-administer  no Do no use if pregnant  no Legally restricted  no Toxicity precautions  Medicinal notes 
 
Traditional uses
Parts used  Traditional uses  Contemporary uses  Fragrance  Fragrance parts  Fragrance intensity    Fragrance category    Dye parts  Dye color 
 
Cultivation
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 
 
Nutrition
Is edible  no Culinary uses  Nutritional value  Edible parts  Description of edible parts Flavor / texture 
 
Horticulture
Horticulture notes 
 
Herbarium
Tag needs printing  no Collection notes  Centaurea macrocephala is a perennial. The flowers are most often a yellow color.

Page 992 of 4998

Last reviewed November 01, 2004   

 

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