Claret cup cactus (Echinocereus triglochidiatus) is suited to Zones 5 to 10, where it thrives in full to partial sun with sandy, well-drained soil. Prized for its funnel-like scarlet flowers, it is an easy-care, water-wise addition to xeriscapes and patio pots. Learn how to grow claret cup cactus in this guide. Read more. The post How to Grow and Care for Claret Cup Cactus appeared first on Gardener's Path.