Echinocereus websterianus. Sunset 9b-11. Hardy to 28° F.  Light shade in hot gardens, full sun other. Little water, needs porous soil, limestone in the mix is very helpful.  Forms small clumps, basally clumping to 24" tall. Purplish pink flowers. Origin: Mexico.

Echinocereus weinbergii.

Echinofossulocactus albatus. 

Echinofossulocactus arrigens.

Echinofossulocactus caespitosus. Sunset 9b-11. Hardy to 25° F.  Light shade in hot gardens, full sun other. Usually solitary, globular cactus, up to 4" in diameter. Violet, bluish flowers. Origin: Mexico.

Echinofossulocactus crispatus

Echinofossulocactus dealbatus.

Sunset 9-11. Hardy to 25° F.  Light shade in hot gardens, full sun other. Needs good drainage, keep dry winter. Usually solitary, globular cactus, up to 4" in diameter. Violet, bluish flowers. Origin: Mexico.

Echinofossulocactus erectocentrus (Brain cactus). Sunset 9-11. Hardy to 25° F.  Light shade in hot gardens, full sun other. Needs good drainage, keep dry winter. Usually solitary, globular cactus, up to 2.5" tall. White flowers with violet center stripe. Origin: Mexico.

Sunset 9-11. Hardy to 25° F.  Light shade in hot gardens, full sun other. Needs good drainage, keep dry winter. Usually solitary, globular cactus, up to 2.5" tall. White flowers with violet center stripe. Origin: Mexico.

Sunset 9b-11. Hardy to 25° F.  Light shade in hot gardens, full sun other. Needs good drainage, keep dry winter. Usually solitary, globular cactus, up to 4" tall. Yellowish white flowers. Origin: Mexico.

Echinofossulocactus hookeri.

Sunset 9b-11. Hardy to 25° F.  Light shade in hot gardens, full sun other. Needs good drainage, keep dry winter. Usually solitary, globular cactus, up to 4" tall. Yellowish white flowers. Origin: Mexico.