Grow Your Garden


Italian Plumeless Thistle (Carduus pycnocephalus)

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Carduus Pycnocephalus, or more commonly know as Italian Plumeless Thistle, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) of the genus Carduus. Its duration is annual which means it grows for one season only. Carduus Pycnocephalus or Italian Plumeless Thistle's floral region is North America US Lower 48 and Hawaii, specifically in the states of Alabama, Arkansas, California, Hawaii, Idaho, New York, Oregon, South Carolina, Texas and Washington.

  • Category: Dicot
  • Genus: Carduus
  • Family: Asteraceae
  • Order: Asterales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Annual
  • Growth Habit: Forb/herb
  • Native Status: L48 (I) HI (I)
  • State Noxious Status: CA (CW) OR (BDW Q) WA (CAW NWSPQ)
  • State Noxious Common Name: CA (Italian thistle) OR (Italian thisle) WA (Italian thistle)
  • PLANTS Invasive Status: Cal-IPC STATE WSWS




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