Climbing Onion (Bowiea volubilis)
Volubilis
About this plant
Bowiea volubilis, also known as the Climbing Onion, is a unique bulbous plant with thin, twining stems that climb or trail. It has small, greenish flowers and a large underground bulb. This plant is often grown as an ornamental for its unusual appearance and climbing habit. It is native to parts of southern Africa and is appreciated for its drought tolerance and slow growth.
Taxonomy
Higher classification: Asparagales
Origin & Distribution
- Native region
- South Africa, Namibia, Botswana
- Distribution
- Native to southern Africa; cultivated worldwide as a houseplant or in greenhouses.
Care
- Suitable locations
- Indoor, Greenhouse
- Preferred window facing
- East-facing, South-facing, West-facing
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5
- Soil type
- well-draining sandy or loamy soil
Watering. Allow the soil to dry out completely between waterings. Water sparingly during dormancy in winter and increase slightly during active growth in spring and summer.
Fertilizing. Feed lightly with a balanced, diluted fertilizer during the active growing season in spring and summer. Avoid fertilizing during dormancy in winter.
Bowiea volubilis is a tough, slow-growing bulb plant that needs well-draining soil and bright light. It prefers to dry out between waterings and can suffer from rot if overwatered. It requires minimal maintenance but benefits from occasional watering during its growing season.
Propagation
- Propagation methods
- Seeds, Cuttings, Division
Ornamental features
- Flowering
- Yes
- Flowering period
- spring
Twining stems, large bulb, small greenish flowers
Toxicity & Safety
The plant's sap may cause mild skin irritation. Keep away from pets and children to avoid accidental ingestion, which may cause mild stomach upset.
Allergy information
Bowiea volubilis is not known to cause allergies. However, some people might experience mild skin irritation if they touch the plant's sap. It's best to wear gloves when handling it to avoid any skin discomfort.
Common problems
Overwatering can cause the bulb to rot. Too little light may lead to weak growth. Pests are rare but watch for mealybugs.
Uses
Primarily grown as an ornamental houseplant for its unusual climbing stems and bulbous base.
Notes
The bulb should be planted with the top just above the soil surface. Repotting is rarely needed and should be done carefully to avoid damaging the bulb. Protect from frost and cold drafts.