Cactus and Succulents - Every 3 Week

M. calacantha

Slowly clumping, 4″ dia., 12″ tall

Occasionally branches; 4″d./12″h.; long curved yellow/brown spines. Blooms spring to fall with flowers that are a deep-pink to a purple color.

Small stems 2″ across x 4″ tall will form large clusters. Soft spines splay outwards. Creamy yellow flowers in summer and fall. Regular water in summer, keep dry in winter.

6″ round stems with lots of very white spines, with longer hooked spines. Large red flowers.

Small clumps of fast-growing cylindrical branches to 4″h. Purple-pink tubular blooms

Cylindrical stems 2″ around to 20″ long, some bristles. Lots of red spines along the crown of the plant.

Cylindrical stems 2″ around to 20″ long, some bristles

Small stems, 1/2″ diameter, to 4″ long, with hooked spines. Forms large clusters readily. Pink flowers.

Mammillaria gracilis

Small, very branchy to 6″; yellow flowers

8″ dia., pyramidal tubercles, 1-2″ spines

Grows in rocky limestone hillside slopes. Globose stems covered in short white spines, as many as 100 radial spines. Yellow flowers. Will slowly form small clusters.

Stems flattened globose to 6″. Thought to be ethnobotanical. Orange-red funnel-shaped flowers. Endangered in habitat. Sometimes spineless.

M. geometrizans “Fukurokuryuzinboku”

Monstrose form with prominent tubercules, slow growing.

Well-branched, tree-like to 12ft.; clustered sparkly white flowers, edible berries.

Stunning, slow-growing, densely crested cactus. Bluish in full sun. Tends not to bloom or set fruit as much as the non-crested species.

New form from the M. “Elite Crest”, has lost the crest but is now a fa. monstrose. This form seems to be stable as a monstrose, and will not crest or revert to species. Blue in full sun.

Myrtillocactus “Crest”

Stunning, slow-growing, densely crested cactus. A number of different clones have more or less dense crests. Bluish in full sun. Tends not to bloom or set fruit as much as the non-crested species.