Asclepias tuberosa Asclepias tuberosa
File:Asclepias tuberosa in Farmington, CT 4.jpg
Common Name Butterfly Milkweed
Latin Name Asclepias tuberosa
Family / Origin Asclepiadaceae /
Sunset zone / USDA zone All zones / 3-9
Type / Form Perennial bush / Medium
Native Habitat All but northeastern U. S. in open woods fields
Soil Dry, decomposed granite, sand, clay loam, low to high organic content, well drained
Exposure Full or partial sun
Water Once or twice per month depending on soil in hot weather
Height X Width 2 feet
Protective Mechanism Poisonous
Leaves Dark green
Flowers Bright red or orange flower in mid-summer followed by attractive pods in fall
Bark / Roots To 60 cm tall, erect or ascending, herbaceous, hirsute and also with vertical lines of hairs from leaf bases, typically simple but branching near apex, from a woody crown
Maintenance Low
Propagation Seed
Pests and Diseases Caterpillars
Landscape uses Erosion control, low maintenance, foliage accent
Garden Suitability Hummingbird, Songbird, Thornless
Nature Value Butterflies, hummingbirds, and birds use flowers
Native American Uses Entire plant cooked and eaten [?], several medicinal uses, fiber made from bark, may be toxic
Comments Larval host the below butterflies and adult nectar provider to almost all butterflies:

Monarch                                      Queen
(Danaus plexippus)                     (Danaus gilippus)
Links  
    Images and data http://www.floridata.com/ref/a/ascl_tub.cfm
    Images and data http://davesgarden.com/pf/go/73/
    Images and data http://www.ct-botanical-society.org/galleries/asclepiastube.html
    Images and data http://www.thegardenhelper.com/Asclepias.htm
    Images and data http://www.mobot.org/gardinghelp/plantfinder/Plant.asp?code=B490
    Images and data http://davesgarden.com/guides/pf/go/73/
    Images and data http://www.wildflower.org/plants/result.php?id_plant=ASTU
    Images and data http://www.fireflyforest.com/flowers/oranges/orange12.html
    Images and data http://en.wikipedia.org/wiki/Butterfly_weed
    Images and data http://www.desert-tropicals.com/Plants/Asclepiadaceae/Asclepias_tuberosa.html
    Images and data http://www.missouriplants.com/Redalt/Asclepias_tuberosa_page.html
    Images and data http://www.illinoiswildflowers.info/prairie/plantx/btf_milkweedx.htm
    Images and data http://swbiodiversity.org/seinet/taxa/index.php?taxon=3789
    Images and data http://www.perennialresource.com/encyclopedia/view/?plant=70
    Images and data http://www.abnativeplants.com/index.cfm?fuseaction=plants.plantdetail&plant_id=85
    Images and data http://wisplants.uwsp.edu/scripts/detail.asp?spcode=ASCTUBsINT
    Images and data http://www.wildflowerinformation.org/Wildflower.asp?ID=59
    Images and data http://www.swcoloradowildflowers.com/yellow%20enlarged%20photo%20pages/asclepias.htm
    Images and data http://www.utep.edu/leb/chih/gardens/plants/ascltube.htm
    Images and data http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=9705
    Images and data http://fireflyforest.net/firefly/2005/06/27/butterfly-milkweed/
    Data http://www.pfaf.org/database/plants.php?Asclepias+tuberosa
    Data http://butterflybushes.com/milkweed.htm
    Distribution map http://plants.usda.gov/java/profile?symbol=ASTU
    Nursery, images and data http://www.butterflybushes.com/milkweed.htm
    Seeds http://www.jlhudsonseeds.net/SeedlistAP-AZ.htm
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