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Conservatory GreenhouseShrubs

Grevillea rosmarinifolia 'Jenkinsii'

rosemary grevillea 'Jenkinsii'

'Jenkinsii' is an evergreen shrub of spreading or arching habit up to 2m or more in mild districts, less in cooler areas. The stiff, narrow, rosemary-like leaves are dark green and often have prickly tips. Short, dense clusters of pink and cream tubular flowers are produced from late winter to summer

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Ultimate height

1.5–2.5 metres

Time to ultimate height

10–20 years

Ultimate spread

2.5–4 metres

Loam

Sand

Moisture

Well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun

Aspect

South–facing or West–facing or East–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Proteaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Bushy
Potentially harmful: Skin irritant/allergen. Wear gloves and other protective equipment when handling Pets: Skin irritant/allergen. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
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: Accepted

How to grow

Cultivation

Grow outdoors in milder areas in acid to neutral, well-drained soil. Grow under glass in lime-free compost with added grit in full light and apply low phosphate, liquid fertiliser monthly when in growth

Propagation

Propagate by semi-hardwood cuttings in summer, or by grafting in winter under glass or late summer outdoors

Suggested planting locations and garden types

Coastal
City and courtyard gardens
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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