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

Browse all Callistemon