Candle Cactus (Austrocylindropuntia cylindrica)
cylindrica
About this plant
Austrocylindropuntia cylindrica, commonly known as the Candle Cactus, is a cactus species with tall, cylindrical green stems covered in sharp spines. It is popular as an ornamental plant due to its unique shape and low maintenance needs. It can produce small flowers but is mainly grown for its striking form. This cactus is well-suited for indoor pots or outdoor gardens in warm climates.
Taxonomy
Higher classification: Order Caryophyllales
Origin & Distribution
- Native region
- Peru, Bolivia
- Distribution
- Native to South America, especially Peru and Bolivia, but cultivated worldwide in suitable climates and as a houseplant.
Care
- Suitable locations
- Indoor, Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, West-facing, East-facing
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5 (neutral to slightly acidic)
- Soil type
- well-draining cactus or succulent mix
Watering. Water sparingly, allowing the soil to dry out completely between waterings. Reduce watering in winter when the plant is dormant.
Fertilizing. Feed with a balanced cactus fertilizer during the growing season (spring and summer) about once a month. Avoid fertilizing in winter when the plant is dormant.
Austrocylindropuntia cylindrica is a hardy cactus that thrives in bright sunlight and well-draining soil. It requires minimal watering and is tolerant of dry conditions. Overwatering can cause root rot, so allow the soil to dry out between waterings. It needs little maintenance but be careful when handling due to its sharp spines.
Propagation
- Propagation methods
- Cuttings
Ornamental features
- Flowering
- Yes
- Flowering period
- spring
Tall, cylindrical green stems with sharp spines; small, tubular flowers appearing in spring.
Toxicity & Safety
Not known to be toxic, but spines can cause injury. Keep away from children and pets to avoid accidental pricks.
Allergy information
This plant has minimal allergy risks. It does not produce airborne pollen that typically causes allergies. However, its spines can cause skin irritation if touched, so handle with care and wear gloves to avoid injury.
Common problems
Common problems include root rot from overwatering and damage from pests like mealybugs. Lack of sunlight can cause weak, elongated growth.
Uses
Primarily used as an ornamental plant in gardens and indoors. Its unique shape adds architectural interest to plant collections.
Notes
Prune carefully to remove damaged or overgrown stems, always wearing gloves to avoid spine injuries. Repot every 2-3 years to refresh soil and provide room for growth. Protect from frost and cold drafts.