California barrel cactus
Ferocactus cylindraceus
About this plant
Ferocactus cylindraceus, commonly called the California barrel cactus, is a large, barrel-shaped cactus with prominent ribs and long, strong spines. It produces yellow to red flowers in spring and summer. This cactus is well adapted to desert environments and is often used in xeriscaping and desert gardens for its striking appearance and drought tolerance.
Taxonomy
- Genus
- Ferocactus
- Family
- Cactaceae
- Higher classification
- Order Caryophyllales
- Plant type
- Succulent
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Southwestern United States
- Distribution
- Native to the southwestern United States, especially California, Nevada, and Arizona deserts.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Greenhouse, Balcony
- Preferred window facing
- South-facing, West-facing, East-facing
- Watering frequency
- Rare
- Watering interval
- 14–21 days
- Humidity
- Low
- Minimum
- 5 °C
- Maximum
- 45 °C
- Optimal
- 20–30 °C
- USDA hardiness zones
- 9–11
- Soil pH
- 6.0–7.5 (neutral to slightly acidic)
- Soil type
- well-draining sandy or rocky soil, cactus mix
Watering. Water deeply but infrequently, allowing soil to dry completely between waterings. Reduce watering in winter to prevent rot.
Fertilizing. Feed sparingly during the growing season (spring and summer) with a balanced, diluted cactus fertilizer once a month. Avoid fertilizing in winter when the plant is dormant.
Ferocactus cylindraceus is a slow-growing cactus that thrives in bright sunlight and dry conditions. It requires well-draining soil and infrequent watering to prevent root rot. It is generally low-maintenance but needs protection from excessive moisture and cold temperatures.
Propagation
- Propagation methods
- Seeds, Cuttings
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- spring–summer
Large barrel shape, prominent ribs, long colorful spines, and bright yellow to red flowers.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Not toxic to humans or pets but spines can cause injury if touched.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Skin contact
- Pollen level
- Low
Ferocactus cylindraceus is not known to cause allergies. People sensitive to cactus spines should handle it carefully to avoid skin injury.
Common problems
Overwatering can cause root rot. Poor drainage or cold, wet conditions may lead to fungal infections. Physical damage from handling spines can cause skin irritation.
Uses
Used as an ornamental plant in desert and xeriscape gardens. Its unique shape and flowers add visual interest.
Notes
Handle with care due to sharp spines. Repotting is rarely needed because of slow growth. Protect from frost and excessive moisture.