Diervilla × splendens

RHS Plant Profile

bush honeysuckle

RHS 2002

Synonyms

Weigela sessifolia splendens

Shrubs

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A suckering deciduous shrub with terminal clusters of sulphur-yellow flowers 1.5cm in length in summer

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: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: North–facing or 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: Caprifoliaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Suckering
Genus: Diervilla are are suckering deciduous shrubs with simple ovate to lance-shaped leaves and axillary or terminal clusters of tubular yellow flowers in summer
Name Status: Correct

How to Grow

Cultivation

Grows well in woodland setting in sun or partial shade. Suckering habit can help stabilise banks and slopes

Propagation

Propagate by softwood cuttings

Suggested planting locations and garden types

Low Maintenance
Banks and slopes

Pruning

Pruning group 6

Pests

Generally pest-free

Diseases

Generally disease-free