Likes very rocky soils. Winter-growing, flowers in the spring. Will grow an irregular caudex topped with small paired tubular jeweled leaves when active, deciduous when dormant.
Small caudiciform hybrid with rose flowers
Slow-growing, thorny, deciduous tree with swollen trunk/caudex
O. basilaris x O. microdasys
Broad bluish pads, 2-3ft. tall, hot pink flowers
Classic blue cactus from the Mojave and Sonoran Deserts. Very low water, can handle high heat and winter cold if dry. Pink flowers. Loads of small glochids, very few spines. Will get 2 to 3 feet tall and spread 6 to 8 feet wide over time. Pads were used medicinally.
Thin purple pads, red blooms; Glochids, no central spines. Low growing, sprawling
Small, rare barrel to 8″ dia., pink flowers.
Erect stems, leaves and flower stalks from the tips of the stems.
Small yellow daisy flowers. In the Aster Family. Forms a low round caudex topped with multiple branches. New leaves grow starting in October.
Tall and spiny to 40ft. with 2ft. trunk, slow growing. Edible fruit, medicinal stems.
Lophocereus schottii f. monstrose
Lumpy vertical cacti, very slow growing, full sun.
Tall and spiny tree-like, to 40ft. with thick trunk, slow growing. White flowers.
Bell-shaped white and pink flowers. Large 2ft caudex. Can be propagated from stem cuttings. Rocky soils.
P. rosulatum v. horombense
Large varied caudex, irregular, freely branched
Large varied caudex, stems to 10″l., blooms when young.
Cylindrical caudex, yellow blooms, dry in winter
Cylindrical caudex, yellow blooms. Branchy to 3ft tall. Narrow green leaves.
Keep dry in winter
Spiny tree with swollen trunk to 12′ tall (over 20′ in wild); short branches, white flowers
Globose to 6″h x 12″w.
Clusters of 4″ stems to 24″ tall. Classic parodia-yellow flowers.
6″dia. with many offsets, keep dry in winter
Cylindrical 6″, brown spines, variable yellow/pink blooms
P. mammulosa ssp. submammulosa
Solitary, globose to 5″d.; 13 ribs, 7-10 spines
Small globose stems, usually solitary, occassional clumps. Pink flowers. Thin spines flattened back along the stems. Chin-like ribs.
Pairs of purple leaves, mostly solitary. Low water.
Pairs of wide leaves, mostly solitary; can have many blooms
Pairs of round leaves, mostly solitary; keep dry
Large flattish leaves, yellow flowers.
Tree to 8ft. tall indoor; fragrant blooms, bright sun. Dry in winter. Fragrant flowers.
Rare Stapeliad with stunning clusters of small green and white flowers. Blob-like plant starts fairly square and cube-like but turns more blob-like as it grows to 5″. Watering is tricky – regular water in summer when hot and sunny, lower water in winter but not none – do not over or under water! More heat in summer means more water – can take very hot temperatures. Protect from Frost.