Ridgid Coral Cactus

Ridgid Coral Cactus (Rhipsalis dissimilis)

Other Known Names: Ridged Coral Cactus
Genus: Rhipsalis
Species: dissimilis

Aesthetic Description

The Ridgid Coral Cactus (Rhipsalis dissimilis) is an epiphytic cactus with stiff, cylindrical stems that grow upright before gently arching and trailing. Its ribbed, slightly angular stems provide a sculptural, architectural quality. Small white flowers with a hint of pink appear along the stems, followed by small purple, berry-like fruits. Its distinctive texture and growth habit make it an excellent addition to hanging baskets or elevated planters.

Colours

• Stems: Green, ribbed
• Flowers: White with pinkish hue
• Fruits: Purple

Scientific Description

Rhipsalis dissimilis is an epiphytic cactus native to Brazil, commonly found growing on trees and rocks in humid, shaded environments. Its stiff, cylindrical stems are ribbed and slightly angular, adapted to its epiphytic lifestyle. The plant produces small, pinkish-white flowers along the stems, which are followed by purple, berry-like fruits.

General Botanical Information

This species belongs to the Cactaceae family and is known for its rigid, coral-like stems. Unlike desert cacti, it prefers moderate moisture and filtered light. Its trailing, architectural growth makes it ideal for hanging baskets or elevated displays, adding texture and interest to indoor or shaded tropical gardens.

Growing Conditions

• Light: Bright, indirect light; tolerates some shade

• Watering: Allow top layer to dry slightly between waterings; avoid waterlogging

• Soil: Well-draining epiphytic mix with perlite or bark

• Feeding: Diluted, balanced fertiliser monthly during active growth

• Humidity: Moderate to high

• Repotting: Every 2–3 years or when root-bound