Overview
Callistemon viminalis 'Hannah Ray' is a bushy shrubs in the genus Callistemon, part of the Myrtaceae family, with evergreen foliage. Callistemon viminalis 'Hannah Ray' grows best in full sun, and tolerates most soils and acid and neutral pH. Its UK hardiness is rated H3. Suggested uses include city and courtyard gardens, mediterranean climate plants and patio and container plants.
About
Callistemon viminalis 'Hannah Ray' is a bushy evergreen shrub within the Myrtaceae family, known for its fragrant, narrow to lanceolate leaves and distinctive bottlebrush-like flower spikes with vividly coloured stamens. Suited to full sun and sheltered aspects such as south- or west-facing positions, it thrives in fertile, well-drained soils including clay, loam, and sand with acid to neutral pH. Hardy to UK zone H3, this cultivar is ideal for city and courtyard gardens, patios, and containers, particularly in Mediterranean-style settings. It flowers in spring and summer and can be propagated from seed or semi-hardwood cuttings.
Growing conditions
Best soil and position for Callistemon
- Sunlight
- Full sun
- Soil type
- Clay, Loam, Sand
- Soil pH
- Acid, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
Callistemon viminalis 'Hannah Ray' size, habit and characteristics
- Plant type
- Shrubs, Conservatory Greenhouse
- Habit
- Bushy
- Foliage
- Evergreen
- Suggested uses
- City and courtyard gardens, Mediterranean climate plants, Patio and container plants
Care notes
Pruning and caring for Callistemon viminalis 'Hannah Ray'
- Propagation
- Propagate by seed or from semi-hardwood cuttings
- Pest resistance
- May be susceptible to scale insect, mealy bug and glasshouse red spider mite
- Disease resistance
- May be susceptible to honey fungus
Frequently asked questions
Where is the best place to plant Callistemon viminalis 'Hannah Ray'?
Callistemon viminalis 'Hannah Ray' prefers full sun. It suits sheltered positions.
What soil does Callistemon viminalis 'Hannah Ray' need?
Callistemon viminalis 'Hannah Ray' is adaptable and grows happily in most soil types, including clay, loam and sand. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained to well-drained.
Is Callistemon viminalis 'Hannah Ray' hardy in the UK?
Callistemon viminalis 'Hannah Ray' has an RHS hardiness rating of H3, meaning it is half-hardy, tolerating -5 to 1°C, and may need winter protection in colder areas.
How do I propagate Callistemon viminalis 'Hannah Ray'?
Propagate by seed or from semi-hardwood cuttings.
More in the Callistemon genus
- Callistemon formosuscliff bottlebrush

- Callistemon sieberi 'Widdicombe Gem'

- Callistemon teretifolius

- Callistemon viminalis 'Little John'bottlebrush 'Little John'

- Callistemon viminalis 'Malawi Giant'bottlebrush 'Malawi Giant'

- Callistemon 'Red Rocket'
- Callistemon viridisgreen bottlebrush