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Shrubs

Diervilla rivularis

mountain bush honeysuckle

A bushy, spreading, deciduous shrub to around 1.8m tall with densely hairy branchlets and leaf undersides; leaves are oval to elliptic, up to 10cm long and turn shades of red, yellow and orange in autumn. Clusters of small, two-lipped, honeysuckle-like, pale yellow to greenish-yellow flowers are borne in summer

Other common names

hairy bush honeysuckle

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Ultimate height

1–1.5 metres

Time to ultimate height

5–10 years

Ultimate spread

1.5–2.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or North–facing or South–facing or West–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)

Botanical details

Family: Caprifoliaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy, 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

Grow in well-drained soil in full sun or partial shade

Propagation

Propagate by softwood cuttings, or separate suckers in late winter

Suggested planting locations and garden types

Cottage and informal garden
Low Maintenance
Banks and slopes
Flower borders and beds
Hedging and screens

Pruning

Pruning group 6

Pests

Generally pest-free

Diseases

Generally disease-free

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