Description Myrtillocactus geometrizans f. cristata (Crested Blue Candle Cactus) is a rare, sculptural cactus prized for its fan-like, wavy growth. Its blue-green color and unusual crested form make it a standout statement plant for collectors and modern interiors. Slow-growing and highly unique, each specimen develops its own one-of-a-kind shape. Care guide: Light: Bright, direct sunlight is ideal. Place near a south- or west-facing window for best growth. Watering: Water sparingly. Allow the soil to dry out completely between waterings. Reduce watering significantly in winter. Soil: Use a well-draining cactus or succulent mix. Adding extra perlite or sand improves drainage. Tips: Avoid overwatering-this is the most common cause of issues. Rotate occasionally for even growth, and protect from cold.