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Climber Wall Shrub

Holboellia grandiflora

Vigorous evergreen, woody-stemmed, twining climber about 5-7m tall, with leathery dark green leaves, greyish beneath, composed of 5-9 leaflets. Produces separate male and female fragrant, pale yellow pendent flowers flushed purple, to 3cm long, in late spring, and may be followed by edible, lilac-purple, sausage-shaped fruits

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Ultimate height

4–8 metres

Time to ultimate height

5–10 years

Ultimate spread

2.5–4 metres

Chalk

Loam

Sand

Moisture

Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or South–facing or West–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: Lardizabalaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Climbing
Genus: Holboellia are vigorous evergreen climbing shrubs with twining stems bearing leathery, palmate leaves and axillary clusters of small flowers, both male and female on the same plant
Name status: Correct

How to grow

Cultivation

Grow in moderately fertile, humus-rich, well-drained soil in sun or part shade with shelter from cold winds

Propagation

Propagate by seed in containers in a cold frame in spring, or by semi-ripe cuttings in late summer or autumn, or by layering in autumn

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Climber and wall shrubs
Edible fruit
Wall side borders

Pruning

Pruning group 11 in spring

Pests

Generally pest-free

Diseases

Generally disease-free

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