Whorled Milkweed (Asclepias verticillata)

Typically found growing in large groupings due to its ability to spread by roots, its white summer flowers are a welcome site in a sea of purples and yellow. A tough plant native to Illinois dry prairies, this plant will grow where many others will not.


  • Acronym: ASCVER
  • Life-Cycle: Perennial
  • Bloom Color: White
  • Bloom Time: July - September
  • Typical Height: 24"
  • Light Preference: Full Sun - Part Shade
  • Soil Preference: Dry-Mesic
  • Root Structure:  Fiberous with Long Rhizomes
  • Stratification: Cold & Moist for 30 Days
  • Seeds per Ounce: 11,000*
  • Seeds per Packet: 100*


Other scientific names used for this species:

  • None


Other common names used for this species:

  • None


*Approximate, actual number of seeds may vary slightly by seed lot.

Asclepias verticillata - Per Ounce