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Product Description
Melocactus azureus is a breathtaking Brazilian cactus that instantly stands out for its bold blue-gray skin and elegant rounded form. Its spherical body, ribbed with precision, creates a striking contrast against the arid landscapes where it grows. Each rib is accentuated by neat clusters of short spines, adding texture and symmetry. This cactus exudes a sculptural quality, making it a centerpiece in any rare plant collection.
As Melocactus azureus matures, it develops its signature cephalium, a woolly, reddish-orange crown that rises dramatically from the top. This rare feature produces clusters of small pink to magenta flowers, creating a vibrant display against the plant’s cool-toned body. Gardeners prize this cactus not only for its beauty but also for its uniqueness, as few species undergo such a visible transformation.
• Distinctive blue skin with sharply defined ribs
• Develops a rare red-orange cephalium at maturity
• Produces vivid pink blooms in the summer season
• Compact yet eye-catching for containers and rock gardens
• Highly sought-after among cactus collectors worldwide
Seeds of Melocactus azureus allow enthusiasts to witness its entire life cycle, from sprouting a modest sphere to revealing its extraordinary crown. Cultivating this species from seed is an intimate and rewarding journey into the world of rare desert plants.
BE AWARE THAT PICTURE SHOW ADULT PLANT NOT FOR SALE THE OFFER IS FOR SEEDS.
Botanical family: Cactaceae
Botanical genus: Melocactus
Botanical species: Melocactus azureus
SKU:BA-1102-S
Soil type: Use a gritty cactus mix with sand and pumice for maximum drainage.
Watering frequency: Water moderately during growth. Let soil dry fully before the next watering. Reduce drastically in winter.
Light exposure: Provide full sun or very bright indirect light. Indoor growers should use strong grow lights.
Temperature requirements: Keep between 20–32°C (68–90°F). Protect carefully from frost below 10°C (50°F).
Fertilization: Feed every 3–4 weeks in summer with low-nitrogen cactus fertilizer. Avoid feeding in winter.
Pruning: Not needed. Remove only dried flowers from the cephalium.
Common pests: Susceptible to mealybugs and scale insects. Inspect regularly and treat promptly.
Other care: Cephalium growth signals maturity. Never attempt to remove it. Ensure steady warmth for germination.

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