Myrtillocactus geometrizans ‘Fukurokuryuzinboku’, commonly known as the Booby Cactus or Blue Candle Cactus, is a slow-growing, ribbed cactus featuring unique “fukuro” (swollen) protrusions along its stems. Native to Mexico, it thrives in bright sunlight and well-draining soil, making it a striking addition to cactus collections, rock gardens, or sunny indoor displays.
Full Botanical Name: Myrtillocactus geometrizans ‘Fukurokuryuzinboku’
Common Names: Booby Cactus, Blue Candle Cactus
Country and/or Region of Origin: Mexico
Growing Conditions in Native Habitat: Arid, rocky slopes with full sun exposure and minimal water
Care Guide
Care Guide:
Light: Full sun to bright indirect light; prefers several hours of direct sunlight daily
Ideal Room: Sunny windowsills, greenhouses, or outdoor desert gardens
Feeding: Fertilize sparingly during the growing season with cactus-specific fertilizer
Humidity: Low; drought-tolerant
Ideal Temperature: 20–30°C (68–86°F); protect from frost below 5°C (41°F)
Watering: Allow soil to dry completely between waterings; minimal water in winter
Pet/Child Safe: Spiny; handle with care
Soil Type: Well-draining cactus or succulent mix with sand or grit
Propagation: Seed or stem cuttings; allow cut ends to callous before planting
Eventual Height and Spread: Up to 2–3 meters tall outdoors; multiple stems may spread over time
Growth Rate: Slow-growing
Pests and Treatment: Mealybugs, scale; treat with insecticidal soap or neem oil
Repotting: Every 2–3 years or when root-bound
Pruning: Remove damaged stems carefully while wearing protective gloves
Air Purification: Minimal; primarily decorative
Folklore: Symbolizes resilience, strength, and architectural beauty in cactus collections
