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Conservatory GreenhouseShrubs

Grevillea rosmarinifolia
  • RHS AGM

rosemary grevillea

An evergreen shrub of loose, spreading, graceful habit, to 2m in mild districts, maybe only to 1m in British gardens. Leaves are rosemary-like, rigid, linear, dark green, to 5cm long and often have prickly tips. Flowers are typically deep rose-red, borne in dense terminal clusters from late winter through to late summer

Synonyms
Grevillea rosmarinifolia 'Williamsi'
Grevillea 'Williamsii'

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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
10–20 years
Ultimate spread
2.5–4 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Pink Red Green
Summer Pink Red Green
Autumn Green
Winter Pink Red Green
Position
  • Full sun
Aspect

West–facing or East–facing or South–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Proteaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Skin irritant/allergen. Wear gloves and other protective equipment when handling
Genus

Grevillea can be evergreen shrubs or trees, with alternate, simple or pinnately divided leaves and petal-less flowers consisting of a colourful calyx tube with protruding style, borne in racemes or panicles

Name status

Correct

Plant range
SE Australia

How to grow

Cultivation

Grow outdoors in acid to neutral well-drained soil. Grow under glass in lime-free compost with added grit in fill light. May need restrictive pruning under glass

Propagation

Propagate by seed, semi-hardwood cuttings or graft

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Mediterranean climate plants
  • Flower borders and beds
  • Wall side borders
Pruning

Pruning group 1 outdoors, but more rigorous pruning may be necessary indoors to restrict size

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus (rarely)

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