Cactus and Succulents - Part Sun

Euphorbia iharanae

Tall thin spiny stems, with small groups of leaves at the tips. Yellow flowers.

Euphorbia ingens

Tall green tree, fast-growing, to 50′ in wild; small leaves, blooms and seed pods

Euphorbia knuthii

Dwarf caudex (tuberous roots) topped with crowded groups of succulent spiny branches, striped green. Will form new caudex from branch cuttings. Initially erect branches will eventually spread by scrambling along the ground. Blooms in late summer.

Caudex will grow to about 6 inches across.

Heat and sun tolerant, can be grown in light shade. Frost-tolerant but will look it’s best if kept above 40F.

Euphorbia lactea

Tall cactus-like succulent that grows to be a small tree with light green stems, often variegated in the center. The small yellow flowers are rarely seen.

Euphorbia lactea “White Ghost”

Tall cactus-like succulent that grows to be a small tree with white and green stems, often bright pink on the tips. The small yellow flowers are rarely seen. “Ghost” variety to 15ft tall with milky latex sap.

Euphorbia lactea fa. cristata

Euphorbia lactea “Crest”

Crested form of columnar plant. Green and “Ghost” varieties. Some with bright red edges.

Euphorbia lactea v. variegata

Tall cactus-like succulent that grows to be a small tree with mottled green and white stems. The small yellow flowers are rarely seen.

Euphorbia loricata

Succulent shrub to 3 feet tall; light shade, or bright red in sun.

 

Euphorbia mahabobokensis

Small caudiciform with thin branches, large green leaves and rose-pink petioles. Caudex to 6″

Euphorbia mayurnathanii fa. variegata

Believed to be extinct in the wild, both the species and the variegated form are rare in cultivation, but occasionally are cultivated. Indoor, low water.

Euphorbia meloformis

Distinctive graphic banding. Inflorescence consists of individual bracts on peduncles, which remain, dried, forming almost spines on the stems. Will eventually grow 8 to 10″ tall, and can branch.

Euphorbia moratii

Geophytic plants, endangered in habitat. Dwarf caudiciform base. Flowers in spring before new leaves appear at the growing tip in summer. Triangular cyathia.

Euphorbia nivulia

Tubular spiny green stems with thick green leaves at the tips in growing season. Used in traditional Ayurvedic and Siddha medicine. Can grow into a full size 30ft tall tree.

Euphorbia nyassae

Subshrub, 18-30″ tall. Small spiny square stems. Small gray-green leaves, yellow flowers.

Euphorbia obesa

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

Euphorbia ornithopus

Gets it’s name from the shape of the flowers, which some may categorize as looking like a bird’s foot. Low growing, spineless, and it forms a caudex. Leafless stems in all directions, often laying down at the ground.

Euphorbia pauliana

Twisting stems with leaf scars, light airy blooms
Hardiness unknown, Keep dry in winter