Cirsium rivulare 'Trevor's Blue'



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Non-spiny, non-seeding ornamental thistle similar to that favorite of European designers and English cottage gardeners, Cirsium rivulare 'Atropurpureum', this has the typically red flowers tempered by a bit of magenta. A beautiful plant with a misleading name because blue it ain't but we don't hold that against it as we are just happy to be growing it!


Plant Type

  • Perennial / Bulb

Mature Size


Hardiness Zones

  • Zone 5a (-20 °F)
  • Zone 5b (-15 °F)
  • Zone 6a (-10 °F)
  • Zone 6b (-5 °F)
  • Zone 7a (0 °F)
  • Zone 7b (5 °F)
  • Zone 8a (10 °F)
  • Zone 8b (15 °F)

Sun Exposure

  • Full Sun
  • Part Shade - Part Sun

Water Needs

  • Moist

Bloom Time

  • Summer
  • Deer Resistant Plants