Pachycereus genus. They are slow-growing columnar, perennial cacti. The flowers are funnel-shaped, and are unlikely to appear in cultivation as they are produced only on plants over 3m high. They will need full sun and well drained soil.
USA & Mexico
Grown for its flowers.
You will need to plant in full sun with a light gritty very free-draining soil. You can propagate from seeds.
Seed in spring or summer.
Prone to scale insects and mealy bugs.
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