Jamesia americana

RHS Plant Profile

cliffbush

RHS

Shrubs

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A bushy deciduous shrub to 2m tall, with coarsely toothed, ovate leaves to 8cm long, densely hairy beneath, and slightly fragrant white flowers 1cm wide, in panicles to 6cm long

Position

Full sun

Soil Types

Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 10–20 years
Max Spread: 1.5-2.5 metres
Max Height: 1.5-2.5 metres

Growing Conditions

Loam Sand

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

Position

Full sun

Aspect: South–facing or West–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: Hydrangeaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Jamesia is a single species of deciduous shrub with peeling bark, and simple, opposite leaves, with terminal panicles of small flowers in late spring
Name Status: Correct
Plant Range: Western N America

How to Grow

Cultivation

Grow in fertile, well-drained soil in full sun

Propagation

Take greenwood cuttings in early summer or semi-ripe cuttings in late summer

Suggested planting locations and garden types

Coastal
Cottage and informal garden
Flower borders and beds
Wall side borders

Pruning

Pruning group 1 or pruning group 2

Pests

Generally pest-free

Diseases

Generally disease-free