Seyrigia humbertii

Seyrigia humbertii is a rare and highly collectible succulent endemic to Madagascar. Known for its compact growth habit, thick succulent stems, and small delicate flowers, this drought-tolerant species thrives in arid environments. It is a prized plant for collectors of rare Madagascan flora, ideal for container cultivation, rock gardens, and xeriscaping.

Key Features:

• Botanical Name: Seyrigia humbertii
• Common Names: Humbert’s Seyrigia, Madagascar Succulent
• Family: Apocynaceae
• Native Region: Madagascar
• Growth Rate: Slow-growing
• Mature Size: Typically 10–30 cm (4–12 inches) in height
• Stems: Thick, fleshy, and often twisted or gnarled
• Leaves: Small, succulent, sometimes deciduous in dry conditions
• Flowers: Small, tubular, often pale yellow or cream-colored
• Blooming Season: Typically in warm months
• Lifespan: Long-lived, developing a unique form over time

Growing Conditions:

• Sun Exposure: Full sun to partial shade
• Soil Requirements: Well-draining, sandy or rocky soil
• Watering Needs: Low; drought-tolerant, requires minimal watering
• Temperature Tolerance: Not frost-hardy; thrives in warm, arid climates
• Humidity: Prefers low humidity; avoid excessive moisture
• Propagation: Primarily by seeds, but can also be propagated from cuttings

Landscaping & Uses:

• Ideal for xeriscaping, rock gardens, and arid landscapes
• Perfect for container gardening and succulent collections
• Highly valued by collectors for its rarity and sculptural form
• Low-maintenance, drought-resistant plant for dry regions
• A unique and rare succulent for specialist collections