Euphorbia denisii

Euphorbia denisii is a rare caudiciform succulent from the Euphorbiaceae family, endemic to Madagascar. This unique species is prized for its swollen, sculptural caudex, spiny branches, and seasonal foliage. Adapted to arid conditions, Euphorbia denisii thrives in dry gardens, rockeries, and container cultivation, making it a highly collectible species for succulent enthusiasts, bonsai growers, and xeriscaping.

Key Features:

• Botanical Name: Euphorbia denisii
• Common Names: Denis’ Euphorbia, Madagascan Caudiciform Euphorbia
• Family: Euphorbiaceae (Spurge family)
• Native Region: Madagascar
• Growth Rate: Slow-growing
• Mature Size: 30–60 cm (1–2 feet) tall, with a thick caudex
• Caudex: Swollen, woody, and sculptural, serving as a water reservoir
• Stems: Spiny, succulent, and branching, emerging from the caudex
• Leaves: Small, green, seasonal, appearing briefly before shedding in dry conditions
• Flowers: Small, yellow-green cyathia, characteristic of Euphorbia species
• Season: Deciduous in dry conditions

Growing Conditions:

• Sun Exposure: Full sun to partial shade
• Soil Requirements: Well-draining, sandy, or rocky soil
• Watering Needs: Low; drought-tolerant, requiring minimal watering
• Temperature Tolerance: Prefers warm, arid climates; not frost-hardy
• Humidity: Prefers low humidity; avoid excessive moisture

Landscaping & Uses:

• Ideal for caudiciform plant collections and bonsai cultivation
• Perfect for dry gardens, rockeries, and xeriscaping
• Highly collectible due to its unique swollen caudex and spiny growth
• Great for container growing, allowing controlled growth and display
• Drought-resistant, making it an excellent choice for water-wise gardening