Orchid Cactus (Disocactus ackermannii): Red Strap-Stemmed Epiphyte

Overview

Orchid Cactus (Disocactus ackermannii, often sold as Epiphyllum ackermannii) is a stunning epiphytic cactus with long, flat, strap-like, spineless stems that cascade elegantly. In spring, it produces large, brilliant red, funnel-shaped flowers 4–6 inches across that last several days—longer than most night bloomers. The stems are segmented and can reach 2–3 feet long. Native to cloud forests of Mexico, it thrives in humid, shaded conditions. Ideal for hanging baskets or mounted on plaques. A classic, reliable bloomer.

Key Features

• Stems: Flat, strap-like, segmented, spineless; cascading.
• Flowers: Brilliant red, funnel-shaped, 4–6 in; daytime; several days.
• Habit: Epiphytic, pendulous; 2–3 ft stems.
• Bloom: Spring; reliable, annual.

Care Guidelines

Light

Bright shade / dappled light. No direct sun.

Water

Keep evenly moist in growth; high humidity. Reduce in winter.

Soil

Epiphytic mix: orchid bark, peat, perlite, charcoal.

Temperature

60–80°F. Protect from frost.

Taxonomy

Family:	Cactaceae
Genus:	Disocactus (dy-soh-KAK-tus)
Species:	ackermannii (ak-er-MAN-ee-eye)
Synonyms:	Epiphyllum ackermannii, Phyllocactus weingartii, Nopalxochia ackermanni, Phyllocactus ackermanni, Disocactus ackermannii var. ackermannii