Asclepias syriaca



Cottong-weed, Silkweed

ID Characteristics

Life cycle: Perennial
Growth Habit: Erect
Propagation: Seed
Leaf Margin: Smooth and entire
Leaf Hairs: Underside
Leaf Structure: Oblong-elliptic to oval
Leaf Arrangement: Opposite
Root Type: Fleshy roots and rhizomes
Flower Color: Purplish-pink to white


Similar Species

Herbicidal Control Options

  • Preemergence: Isoxaben
  • Post Emergence: 2,4-D, Chlorsulfuron, Clopyralid, Fluroxypyr, MCPA, Quinclorac, Sulfosulfuron, Triclopyr, Trifloxysulfuron

Please note: one or more of these active ingredients may exist in combination-type brand name products. Any material used for herbicidal control of any plant may vary in efficacy. Please read the full disclaimer on herbicide usage.