Asclepias syriaca
common milkweed, broadleaf milkweed
Photo credit: Larry Allain, U.S. Geological Survey
Photo credit: Larry Allain, U.S. Geological Survey
Photo credit: Larry Allain, U.S. Geological Survey
Family
Asclepiadaceae
Leaf Arrangement
opposite
Leaf Attachment
petiolate
Leaf Type
simple
Leaf Shape
oblong, elliptic, lanceolate, ovate
Growth Form
forb
Flower Color
purple, white
Flower Month
May - August
Height (meters)
0.6 - 2.0
Milky Sap
Yes
Armed/Unarmed
Unarmed
Origin
native
Lifespan
perennial
Habitat
Sandy, clayey, or rocky calcerous soils of banks or floodplains of lakes, ponds, waterways or of prairies, forest margins, meadows, fields, and roadsides.