Cactus Genera for the beginner


Some genera appear on more than one list, eg Rebutia are easy to grow and flower without any effect. Also Mammillaria, which is a huge genus, has both easy to grow as well as hard to grow species.

For a complete list of cacti genera see Kew Gardens site.

Easiest to Grow

  • Echinopsis and hybrids
  • Gymnocalycium
  • Mammillaria (some)
  • Notocactus
  • Opuntia
  • Rebutia
  • most ceroids

Flowering

  • Echinocereus
  • Echinopsis and hybrids
  • Epiphyllum and hybrids
  • Gymnocalycium
  • Lobivia
  • Mammillaria
  • Notocactus
  • Rebutia
  • Schlumbergera
  • Sulcorebutia
  • Thelocactus

Spination

  • Cephalocereus ... senilis (hair)
  • Cereus
  • Cleistocactus ... strausii (hair)
  • Copiapoa
  • Echinocactus
  • Echinocereus (multi-coloured and/or pectinate spines)
  • Echinofossulocactus
  • Epithelantha micromeris
  • Espostoa (hair)
  • Ferocactus
  • Gymnocalycium
  • Leuchtenbergia principis
  • Mammillaria some hooked, pectinate or plumose spines
  • Matucana
  • Neoporteria
  • Notocactus
  • Oreocereus (hair)
  • Pelecyphora pectinate spines
  • Sulcorebutia (Rebutia) pectinate spines
  • Thelocactus
  • Uebelmannia

Architectural

  • Astrophytum ... asterias, capricorne, myriostigma, ornatum
  • Cereus
  • Echinocactus
  • Leuchtenbergia princips
  • Myrtillocactus
  • Opuntia
  • Pilosocereus
  • Trichocereus

A Challenge

  • Ariocarpus ... fissuratus etc.
  • Aztekium ritteri
  • Blossfeldiana lilliputa
  • Copiapoa
  • Epithelantha
  • Mammillaria (some)
  • Melocactus
  • Pelecyphora
  • Strombocactus
  • Turbinicarpus
  • Uebelmannia