Blooming Barrel Cactus Posted May 13, 2013 7:46 am & filed under . It’s Spring, which means it’s blooming barrel cactus season. Ferocactus glaucescens has paper-thin petals Ferocactus pottsi has vivid red and orange petals And a bonus, new spines glow red on the Ferocactus robustus Cactus and Succulents Bamboo Perennials Carnivorous Plants Airplants Search for: November 2026 M T W T F S S 1 2345678 9101112131415 16171819202122 23242526272829 30 « Mar