Description
Blue Column (scientific name: *Pilosocereus pachycladus F. Ritter*) is a columnar succulent plant in the genus *Pilosocereus* of the cactus family. It is native to the hilly mountains at an altitude of about 370 m in Minas Gerais, Brazil. Its height can reach 80–100 cm, and its skin has a distinctive bluish‑green color. It is often propagated by stem cuttings and is suitable as a potted plant or green screen landscape plant. The species has strong drought tolerance and requires loose, well‑drained sandy soil. It grows best in a warm, sunny environment and can be cultivated outdoors in southern regions. Drought tolerance: it can withstand continuous drought for 30 days, with well‑developed water‑storing tissues in its succulent stems. Temperature tolerance: optimal growth temperature is 18–32 °C; the minimum winter temperature should be kept above 10 °C. Light requirements: less than 3 hours of daily light causes legginess, and the bluish‑green skin fades to gray‑green.
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