Abeliophyllum distichum Roseum Group

RHS Plant Profile

white forsythia Roseum Group

Synonyms

Abeliophyllum distichum 'Roseum', Abeliophyllum distichum Roseum Group

Shrubs

Roseum Group is a deciduous shrub of open growth, with small oval leaves and 4-petalled pale pink flowers borne in racemes in the leaf axils in late winter and early spring

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

1-1.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity: 10–20 years
Max Spread: 1-1.5 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: West–facing or South–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): H6

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Oleaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Abeliophyllum are lax, deciduous shrubs with paired ovate leaves and axillary racemes of fragrant flowers with 4 oblong lobes, borne on the bare stems in late winter or early spring
Name Status: Synonym
Plant Range: South Korea

How to Grow

Cultivation

Grow in fertile, well-drained soil in full sun. Ideal for wall-training on a warm wall; early flowers may be damaged by late frosts

Propagation

Root softwood or semi-ripe cuttings in spring and early summer, or propagate by layering in early spring

Suggested planting locations and garden types

City and courtyard gardens
Wall side borders

Pruning

pruning group 5 or pruning group 13 if wall-trained

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus in gardens where it is present but insufficient data to determine degree of susceptibility