Weeping Bottlebrush
Callistemon viminalis
Captain Cook
About this plant
Callistemon viminalis, commonly known as the Weeping Bottlebrush, is a striking shrub or small tree famous for its long, slender, drooping branches and bright red, brush-like flowers that resemble a bottlebrush. It is often used as an ornamental plant in gardens and landscapes for its unique appearance and vibrant blooms. The plant attracts birds and pollinators, adding life to outdoor spaces.
Taxonomy
- Genus
- Callistemon
- Family
- Myrtaceae
- Higher classification
- Order Myrtales
- Plant type
- Shrub
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Australia
- Distribution
- Native to eastern Australia; widely cultivated in warm temperate and subtropical regions worldwide.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, West-facing, East-facing
- Watering frequency
- Moderate
- Watering interval
- 7–14 days
- Humidity
- Normal
- Minimum
- -2 °C
- Maximum
- 40 °C
- Optimal
- 15-30 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5 (slightly acidic to neutral)
- Soil type
- well-draining loam or sandy soil
Watering. Water regularly during the first year to establish roots. Once established, water deeply but less frequently, allowing soil to dry out between watering.
Fertilizing. Feed with a balanced, slow-release fertilizer in spring to encourage healthy growth and flowering. Avoid excessive nitrogen, which can reduce flower production.
Callistemon viminalis is a hardy shrub or small tree that prefers full sun and well-draining soil. It is moderately drought tolerant once established but benefits from occasional watering during dry periods. It requires minimal pruning to maintain shape and remove dead branches.
Propagation
- Propagation methods
- Seeds, Cuttings
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- spring to summer
Bright red, bottlebrush-shaped flowers; slender, weeping branches; narrow green leaves.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets, making it safe for gardens with children and animals.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Pollen
- Pollen level
- Moderate
Callistemon viminalis can produce pollen that may cause mild allergic reactions in sensitive people, such as sneezing or itchy eyes. To reduce exposure, avoid planting it near windows or outdoor seating areas during its flowering season.
Common problems
Overwatering can lead to root rot, and poor drainage may cause fungal diseases. Insect pests like scale or aphids can occasionally affect the plant.
Uses
Primarily grown as an ornamental plant for its attractive flowers and unique form. It also attracts birds and pollinators to gardens.
Notes
Prune lightly after flowering to maintain shape and encourage bushier growth. Repot young plants annually if grown in containers. Sensitive to frost, so protect or bring indoors in colder climates.