Cleistocactus strausii seeds grow into the silver torch cactus or wooly torch — one of the most strikingly beautiful columnar cacti, native to the desert and dry shrubland biome of Bolivia. Named after Straus, a cactus enthusiast. Produces erect, solitary or clustering, slender columns to 3 m; 16–20 ribs; densely clothed with 30 or more fine, white, hair-like radial spines giving a distinctive shining silvery-white appearance; 4 yellowish central spines; vivid carmine-red tubular flowers 8–9 cm. IUCN Least Concern. RHS Award of Garden Merit. Cold-tolerant. Family Cactaceae.Full sun; very well-drained, rocky soils; drought-tolerant; cold-tolerant; Bolivian highland conditions. 'Strausii' honours Straus (cactus enthusiast); silver torch cactus; 30+ white hair-like radial spines — silvery-white appearance; carmine-red tubular flowers 8–9 cm; Bolivia; IUCN LC; RHS AGM Erect to 3 m; 16–20 ribs; 30+ white hair-like spines (silvery-white); 4 yellowish central spines; carmine-red flowers 8–9 cm; Bolivia; IUCN LC; cold-tolerant Bolivia — desert/dry shrubland biome; silver torch or woolly torch cactus; IUCN Least Concern; RHS Award of Garden Merit Genus Cleistocactus: ~45 species; Bolivia to Argentina; Family Cactaceae; Order Caryophyllales Full sun; well-drained rocky soils; drought-tolerant; cold-tolerant; silvery-white; carmine-red flowers; IUCN LC; RHS AGM; Cactaceae Cleistocactus strausii — the silver torch cactus — is among the most beautiful columnar cacti: the slender columns, clothed in 30+ fine, silky-white spines, create a shimmering silvery effect; vivid carmine-red flowers emerge from the woolly areoles; IUCN Least Concern; RHS Award of Garden Merit.IMPORTANT: Pictures show the adult plant, which is not for sale. The offer is only for seeds.