Cactus and Succulents - Every 3 Week

Espostoa guentheri

Vertical columns, whitish to yellow spines, to 8ft tall. When mature will form a reddish cephalium with cream colored flowers.

Espostoa lanata

Harsh Peruvian deserts; dense white hairs; tree-like to 20ft

Espostoa mirabilis

Tree-like growth, shrubby, branches at base, stems are columnar to 6ft. tall. Densely covered in spines and fine hairs.

Espostoa senilis

Large and tree like. Light brown spines when young grow more white as they age.

Euphorbia ammak

Species is green, however the green/white variegated variety is commonly sold under the same name, or E. “Ammak”. 4-sided stems with curled edges. Tree form, tall and branchy.

Euphorbia grandicornis

Stout, shrublike growth with impressive spines resembling cow’s horns. Bright yellow flowers on mature plants capture the eye. Frost tender.

Euphorbia obesa

Small round striped plants. Will grow eventually to 12″ tall. Keep very dry, especially in winter.

Euphorbia pseudocactus

Tall and cactus-like shrub with a wide spreading candelabra shape. Forms branches and will have tiny leaflets on the newer growth.

Euphorbia trigona

E. hermentiana

Lots of tight vertical branches, leafy; green with white patterning. Can grow to 8 to 12ft tall, but can be kept below 8ft indoor in a pot with very low watering, good sun, and not too much fertilizer.

Euphorbia trigona “Rubra”

E. hermentiana

Lots of tight vertical branches, leafy; green with white patterning with a hint of red will turn bright red in sun. Can grow to 8 to 12ft tall, but can be kept below 8ft indoor in a pot with very low watering, good sun, and not too much fertilizer.

 

Ferocactus

The barrel cacti of the North American deserts, globose to cylindrical forms.

Ferocactus herrerae

F. wislizeni v. herrerae

Solitary cylindrical to 6ft. tall, 18″d. Yellow/red flowers

Ferocactus macrodiscus

Barrel cactus that grows usually flattened, 12-16″ d., often partially submerged in the soil.

Ferocactus tiburonensis

F. wislizeni v. tiburonensis

Large barrel to 3ft. tall; red blooms, very thick hooked spines

Ferocactus wislizeni

Usually solitary to 30″ d.; striped orange/red blooms, narrow curved spines