Stenocactus coptonogonus is a clump-forming cultivar of the Stenocactus genus, a group of small, typically globular cacti native to Mexico. This evergreen plant thrives in full sun and requires a sheltered aspect, such as south- or west-facing positions. It prefers well-drained loam or sandy soils across a range of pH levels, from acid to alkaline. In summer, it produces tubular flowers, adding seasonal interest. Suitable for cultivation in gritty soil, it is ideal for houseplants or in conservatories and greenhouses, with a UK hardiness rating of H2.

Stenocactus coptonogonus is a clump-forming evergreen cactus ideal for full sun in sheltered spots, perfect for houseplants and greenhouses in summer.

Stenocactus coptonogonus

Stenocactus obvallatus is a clump-forming cultivar of the Stenocactus genus, which includes small, globular cacti native to Mexico. This evergreen plant is noted for its prominent ribs and spines, typical of the genus. It thrives in full sun and requires well-drained, gritty soil, preferring loam or sand with a pH that can be acid, alkaline, or neutral. Best suited for sheltered, south- or west-facing positions, it is ideal for cultivation as a houseplant or in conservatories and greenhouses. In summer, it produces tubular flowers, adding seasonal interest.

Stenocactus obvallatus is a clump-forming evergreen cactus with prominent ribs and spines, ideal for bright summer display in greenhouses or as houseplants.