Globose stems to 8″x16″. Yellow flowers, pink fruit.
Small, slow-clumping; variable spines; tuberous root
Short tap-root, long black spines, sm. purple flowers
Native to rocky areas, prefers very fast draining soils. Thick branches spread off a decent trunk. Will grow 2-3ft tall. Chartreuse flowers.
Euphorbia milii type, very spiny stems with small green leaves. Prefers very rocky soils. Rare.
Wild growing spiny branches. Native to rocky outcrops, endangered in habitat.
Small round striped plants. Will grow eventually to 12″ tall. Keep very dry, especially in winter.
Green spiny branches atop an irregular caudex which is underground in habitat. Green inflorescence with yellow and red centers.
Multi-ribbed globe with prominent tubercules and tap root. Forms clusters. Greenish brown flowers with sulphur-yellow centers.
Forms a small cluster of tall stems, to 12ft., with an outcropping of green leaves at the top. Keep indoor in winter. Fast draining soil.
Green, soft-toothed mesemb w/smooth surface. Small clumps of mini aloe-like rosettes.
F. felina ssp. tuberculosa
A dark-green leafed mesemb, with teeth-like tubercules on surface
2-3″ clusters. Transparent tips are the characteristic windowed leaves. In habitat the leaves hide below the surface and only the windowed tips are visible. Rot-prone: low water, or mist. Flowers range from off-white to yellow/gold.
While commonly known as F. aurantiaca, can be found as F. rhopalophylla subsp. aurantiaca with yellow flowers and subsp. rhopalophylla with white flowers.
2-3″ clusters. Transparent tips are the characteristic windowed leaves. In habitat the leaves hide below the surface and only the windowed tips are visible. Rot-prone: low water, or mist. Flowers are white.
While commonly known as F. aurantiaca, can be found as F. rhopalophylla subsp. rhopalophylla with white flowers and subsp. aurantiaca with yellow flowers.
The barrel cacti of the North American deserts, globose to cylindrical forms.
Sonoran desert red fire barrel; very dry, rocky soil.
Baja native; solitary barrel to 12″ dia., eventually 4′ tall
Solitary barrel to 12″ dia., eventually 2′ tall;
Large barrel to 18″d.; blooms young; very thick hooked spines
Solitary barrel to 16″ dia., eventually 3′ tall
Generally solitary, fast grower, to 24″; new spines bright red
F. wislizeni v. tiburonensis
Large barrel to 3ft. tall; red blooms, very thick hooked spines
F. splendens ssp. campanulata
Rare ocotillo subspecies
Thick base, spiny branches covered in small green leaves. Dormant in summer; Slow grower to 50ft.
Summer growing – requires some watering through the warmer months. Short thick trunk with multiple branches and orange/red tubular flowers attractive to hummingbirds. Keep dry in winter.
spiny shrub upright to 25ft.; red flowers in spring
Striated trunk to 15ft.; Open branching. Large sprays of red blooms on the tips of the branches in spring and fall, blooms when young. Grows well in rocky or sandy soils. Can leaf out any time there is rain, summer or winter.
Large green trunk, with varied bark and corky spine scars, upright to 12ft.
Classic Ocotillo from the Mojave and Colorado deserts; spiny stems, red flowers in spring. Long growing branches will leaf out with summer rains, grow to 20ft+.
Clumping succulent with 1″l. leaves; very low water, primarily in summer months; partial shade