Deutzia × hybrida 'Iris Alford'

RHS Plant Profile

deutzia 'Iris Alford'

RHS

Synonyms

Deutzia 'Iris Alford'

Shrubs

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An upright, deciduous shrub to 1.5m tall with roughly hairy, ovate to lance-shaped leaves and purple shoots. In early summer, flowers up to 2.5cm across, white inside and purple-pink on the reverse with white margins on the petals, emerge from deep purple-pink buds

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 1-1.5 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full sun Partial shade

Aspect: South–facing or West–facing or East–facing
Exposure: Exposed or 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: Bushy
Potentially harmful: Harmful if eaten. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Deutzia are deciduous shrubs, often with flaking bark, with simple, opposite leaves and star-shaped or cupped white or pink flowers, sometimes fragrant, in terminal or axillary clusters
Name Status: Accepted

How to Grow

Cultivation

Grow in fertile moist soil in sun or partial shade

Propagation

Propagate by softwood cuttings

Suggested planting locations and garden types

Cottage and informal garden
Low Maintenance
Flower borders and beds

Pruning

Pruning group 2

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus