Hydrangea anomala subsp. petiolaris 'Mirranda'

RHS Plant Profile

hydrangea 'Mirranda'

RHS

Synonyms

Hydrangea anomala subsp. petiolaris 'Mirranda'

Climber Wall Shrub

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'Mirranda' is a vigorous, deciduous climber, up to 18m tall, with variegated foliage and peeling brown mature bark. The dark-green, heart-shaped leaves are irregularly-edged with yellow, though this may fade to a creamy-white as the seasons progress. Large domed clusters of white flowers are borne in summer

Position

Full shade, Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

Higher than 12 metres

Max Spread

4-8 metres

Size

Time to Maturity: 10–20 years
Max Spread: 4-8 metres
Max Height: Higher than 12 metres

Growing Conditions

Clay Loam Sand

Moisture: Moist but well–drained
pH: Acid or Neutral

Position

Full shade Full sun Partial shade

Aspect: West–facing or South–facing or North–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): H5

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Hydrangeaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Climbing
Potentially harmful: Skin allergen. Wear gloves and other protective equipment when handling. Pets (dogs, cats): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Hydrangea can be deciduous or evergreen shrubs, or self-clinging climbers, with flowers in clusters usually comprising both small fertile and more showy sterile flowers; often good autumn colour
Name Status: Accepted

How to Grow

Cultivation

A vigorous climber best grown in partial shade in a moist but well-drained soil enriched with well-rotted organic matter. See climbing hydrangea cultivation for more detailed advice

Propagation

Propagate by layering

Suggested planting locations and garden types

Cottage and informal garden
City and courtyard gardens
Wildlife gardens
Low Maintenance
Wall side borders
Climber and wall shrubs

Pruning

Pruning group 11 after flowering

Pests

May be susceptible to aphids, capsid bug, hydrangea scale and vine weevil

Diseases

May be susceptible to a leaf spot, powdery mildews, grey moulds (Botrytis) and honey fungus (rarely)