This perennial cactus branches from the base with erect grey green stems that are up to 80mm (3in) thick with up to 25 ribs. It is densely covered in silver-white spines and the red tube-shaped flowers appear at night during late summer.

Hardiness zones 9 to 11 

Cleistocactus strausii is naturally found in Bolivia, South America growing in mountainous regions. It prefers very well drained moderately fertile soil in an open sunny position and tolerates drought or high temperatures but is frost tender. 

The Silver Torch Cactus is grown for its upright habit and is planted in rockeries, arid gardens and in cactus collections as a specimen. It is also planted in pots and tubs establishing from cuttings in 2 to 3 years and is generally easy to grow. ID 1823

Cleistocactus (KLEES-toe-kak-tus) strausii (STROWSS-ee-eye)

Cactaceae (kak-TAY-see-ee)