Sun

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 pachypodioides

Spiny Euphorbia, smaller spines densely grouped. Short stems slow growing to 20″. Blue-green leaves with purplish undersides. Inflorescence on erect stems with red cyathia. Slow growing. Endangered in habitat where it grows in rocky areas.

Euphorbia pauliana

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

Euphorbia platyclada

Endemic to Madagscar’s endangered subtropical dry forests. Vertical leafless stems will lay flat as they grow.

Euphorbia polygona

6″ diameter stems can grow 1 to 2 ft. tall. Forms clumps from the base.

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 rigida

Evergreen Perennial

Perennial spurge with upright stems holding green bract flowers late winter through summer. Prune back stems after bloom to encourage new growth; self sows freely. Deer and gopher resistant!

Euphorbia rossii

Rocky slopes, endangered in habitat. Spiny stems, narrow green crinkly leaves. Will lose leaves in winter. Orange-brown flowers. Branches in all directions.

Euphorbia schoenlandii

E. fasciculata

Vertical stems to 20″h., spine-like leaf-clumps, narrow ephemeral leaves. Prominent tubercles bearing long peduncles that harden into spines.

Euphorbia squarrosa

Green spiny branches atop an irregular caudex which is underground in habitat. Green inflorescence with yellow and red centers.

Euphorbia stygiana

Evergreen Perennial

From the Azores, where it is critically endangered in habitat. Perennial spurge with upright stems holding green bract fragrant flowers late winter through summer. Deer and gopher resistant!

Euphorbia suzannae

Multi-ribbed globe with prominent tubercules and tap root. Forms clusters. Greenish brown flowers with sulphur-yellow centers.

Euphorbia teke

Thickets of small arborescent green stems. Large green leaves at stem tips, drop quickly in full sun.

Euphorbia tirucalli

Pencil-like stems. Will grow to a fully branched 20ft. tall tree where hardy outside in the ground. Grows well indoor as a houseplant, 7 to 8 ft. tall. Red-tipped in full sun. The milky latext sap is poisonous and can cause skin irritation. One of the most poisonous houseplants. Keep away from children.

Euphorbia trichadenia

Yellow flowers with frilled edges in the forks of the leaves. Large cork-like caudex grows 8-10″. Strappy green leaves in vining stems.

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.

 

Euphorbia umbraculiformis

Wide spreading branches with green-leafed rosettes at the ends through the summer and fall. Keep dry in winter.

Euphorbia unispina

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.

Euphorbia wallichii

Evergreen Shrub

Lush green leaves. Striking golden yellow flowers in late spring. Will handle clay soils.