Caralluma is a genus of fascinating succulent plants belonging to the Apocynaceae family (formerly Asclepiadaceae), primarily native to arid regions. These unique plants are characterized by their often bizarre and intricate flower structures, which, while sometimes having an unpleasant odor to attract specific pollinators, are a source of great interest to succulent enthusiasts. Their unusual stems and growth habits also contribute to their appeal.
 
Key Features of Caralluma
Fleshy, Angled Stems: Carallumas typically feature fleshy, four or five-angled stems that are often toothed or winged along the edges. These stems are the primary photosynthetic organs.
Reduced or Absent Leaves: True leaves are usually very small, scale-like, and often short-lived, with the green stems taking over the function of photosynthesis.
Intricate Flowers: The flowers are the most striking feature, exhibiting a wide variety of complex shapes, colors, and textures. They can be star-shaped, bell-shaped, or more elaborate, often with intricate patterns and hairs.
Pollination Strategy: Many Caralluma species emit odors resembling rotting meat to attract fly pollinators.
Growth Habit: Growth habits vary from upright and clumping to sprawling or even twining, depending on the species.
 
Care for Your Caralluma
Light: Requires bright, indirect sunlight to thrive. Some species can tolerate direct morning sun, but intense afternoon sun should generally be avoided to prevent sunburn.
Soil: Needs a very well-draining soil mix to prevent root rot. A commercial cactus and succulent mix amended with extra perlite or pumice is highly recommended.
Watering: Water moderately during the active growing season (typically spring and summer), allowing the soil to dry out completely between waterings. Reduce watering significantly or withhold water during the dormant winter months.
Temperature: Prefers warm temperatures and is generally not frost-tolerant. Protect from freezing conditions.
Humidity: Tolerates low to average humidity levels. Good air circulation is important.
 
Maintenance for a Healthy Plant
Staking (if needed): Taller or sprawling species may benefit from staking to provide support.
Repotting: Repot every 2-3 years or when the plant has outgrown its container. Choose a pot with good drainage. Spring is usually the best time for repotting.
Pest Control: Monitor for common succulent pests like mealybugs and spider mites. Treat any infestations promptly with appropriate methods.
Fertilizing: Fertilize sparingly during the active growing season with a diluted balanced liquid fertilizer formulated for succulents. Avoid over-fertilizing.
 
Propagation Methods for Caralluma
Stem Cuttings: The most common and easiest method. Take healthy stem cuttings, allow the cut ends to callus over for several days to a week, and then plant them in well-draining soil. Keep the soil lightly moist until roots establish.
Seeds: Propagation by seeds is possible but can be slow and may require specific conditions for germination.
Division: Clumping species can sometimes be carefully divided at the roots during repotting, ensuring each division has its own root system.
 
Caralluma offers a fascinating glimpse into the diversity of the succulent world with its unusual stems and often bizarrely beautiful flowers. While their scent may not always be appealing to humans, their unique morphology and relatively straightforward care requirements make them intriguing additions for collectors seeking the less conventional side of succulent cultivation.
 
 
* Picture and information intended only as a guide. Size and colours of plants will vary, not any 1 plant is exactly the same and minor variations will occur.
 
** All plants will be posted bare rooted.