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Commonly known as Australian rosemary
Linear to narrowly lance-shaped leaves 1.5-2.5cm (½-1in) long, mid- to deep-green above, white-felted beneath.
To very pale blue.
Medium shrub Typically grow to around 4-6 feet in height
Erect, rounded, bushy shrub, becoming open with age. Produces solitary, tubular flowers 1.5cm (½in) across with darker freckling in the throats, in axillary cymes.
Half hardy - unheated greenhouse / mild winter Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
Good to know - syn. W. fruticosa
Pests & Diseases
Place of origin
Australia (New South Wales)
Greenhouse / conservatory Not the sort of plants to be grown outside where there are likely to be frosts. These plants need to be grown in a conservatory or cool greenhouse or at least brought inside for the winter - loam based compost with added leaf mould and sharp sand. Full light.
Frost hardy (down to -5)
Entire see photos above
Lanceolate see photos above
Pruning group 6
Suitable for: Evergreen shrubs or climbers that need little to no pruning.
Action: Trim back shoots that spoil symmetry and to fit available space.
When: Annually after flowering if on previous year's growth, or in later Winter or Spring if flowering on current year's growth, or as requires.
RHS group 9 & 11
Fertile moist well-drained soil - outdoors