PlantFun
Plant Needs
Sunlight
Full sun to bright indirect light; provide partial shade during intense midday summer heat to prevent sunscald
Watering
Water deeply only when the entire soil substrate is completely dry; avoid overwatering to prevent root rot
Temperature
Thrives in 15–28°C; tolerates brief light frost (down to 5°C) when kept completely dry
Characteristics
- Stem: Globular to short columnar, green to blue-green, with 12–18 prominent, rounded ribs
- Spines: 8–12 whitish radial spines per areole; 1–2 darker brown central spines
- Flower: Funnel-shaped, bright orange to reddish-orange, up to 6 cm long and 4 cm wide
Care Guide
Watering
Water when soil is fully dry; increase frequency slightly during active growth
Fertilization
Diluted cactus-specific feed once monthly. Discontinue fertilization during autumn and winter dormancy
Eggshell powder topdress：Grind dried, rinsed eggshells to a fine powder; sprinkle a thin layer on the soil surface, avoiding direct contact with the cactus stem to prevent rotPruning
- Carefully remove dried flower stalks and dead spines using tweezers to maintain plant appearance
- Detach small offset pups in spring for propagation; use clean, sharp tools to minimize damage
- Avoid overhandling the stem to prevent scarring or breakage of delicate skin and spines
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats; spines may cause minor physical injury
Humans: Non-toxic to humans; spines may cause minor physical irritation
Garden Uses & Culture
Culture: N/A
Usage: Ornamental succulent for indoor windowsills, rock gardens, and succulent arrangements
