Asclepias fascicularis Asclepias fascicularis Asclepias fascicularis
Asclepias fascicularis
Common Name Narrowleaf Milkweed, Mexican Whorled Milkweed
Latin Name Asclepias fascicularis
Family Asclepiadaceae
Sunset zones / USDA zones   / 6-10 
Type / Form Shrub / Medium
Native Habitat Western North America 0 to 7,000 feet, uncommon on desert
Soil Dry, decomposed granite, sand, clay loam low in organic content, well drained
Water Once or twice per month
Exposure Full sun to part shade
Height X Width 3 feet X 1 foot
Protective Mechanism Slightly poisonous to browsing animals
Leaves Silver deciduous
Flowers White to off-white flowers July to October, butterfly magnet
Bark / Roots  
Maintenance Low
Propagation Seeds
Pests and diseases Caterpillars
Landscape uses Rock garden, low maintenance, background
Garden Suitability Moonlight, Butterfly, Songbird, Ethnobotanical
Ornamental Value White to off-white flowers July to October, butterfly magnet
Nature Value Important to butterflies, songbird nesting material
Native American Uses Adhesive
Links  
    Images and data http://en.wikipedia.org/wiki/Asclepias_fascicularis
    Images and data http://davesgarden.com/guides/pf/go/54066/
    Images and data http://www.wildflower.org/plants/result.php?id_plant=ASFA
    Images and data http://www.californiagardens.com/Plant_Pages/asclepias_fascicularis.htm
    Images and data http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=747
    Images and data http://www.anniesannuals.com/plants/plant_display.asp?prodid=2779
    Data http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?583,586,595
    Images http://www.coestatepark.com/asclepias_fascicularis.htm
    Images http://www.researchlearningcenter.org/bloom/species/Asclepias_fascicularis.htm
    Video http://www.flickr.com/photos/selago/3644559040/  (tarantula hawk on milkweed)
    Distribution http://www.plants.usda.gov/java/profile?symbol=ASFA
    Images, nursery, and data http://www.laspilitas.com/nature-of-california/plants/asclepias-fascicularis
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