Plant Catalog - o

  • Opuntia compressa syn. O. humifusa
    A US native cactus that stands out on a green roof. A great way to add a sculptural element to an extensive roof.
  • Opuntia phaeacantha
    This North American Native cactus is a wonderful structural addition to any roof.
  • Orostachys aggregatum
    A mat of interwoven bright, apple-green rosettes, that over the season grow skyward into flower stalks that bloom in autumn. Attracts pollinators.
  • Orostachys boehmeri
    Unusual gray foliage plant with "Dunce Cap"-shaped flower stalks that bloom white in autumn. Attracts pollinators.

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