Streptosolen jamesonii

RHS Plant Profile

marmalade bush

RHS 1989

Other common names

orange browallia, firebush

Synonyms

Browallia jamesonii

Conservatory Greenhouse Climber Wall Shrub

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A scrambling evergreen shrub to 3m, with small dark green leaves and clusters of slender-tubed flowers 3-4cm in length with spreading bright yellow and deep orange lobes

Position

Full sun

Soil Types

Loam, Sand

Max Height

2.5-4 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.5-1 metres
Max Height: 2.5-4 metres

Growing Conditions

Loam Sand

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

Position

Full sun

Aspect: East–facing or South–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): H1C

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Solanaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Climbing
Genus: Streptosolen are scandent evergreen shrubs with simple, alternate leaves and terminal clusters of slender-tubed, salver-shaped flowers from late spring to late summer
Name Status: Correct
Plant Range: Colombia

How to Grow

Cultivation

Grow under glass in peat-free, loam-based potting compost in full light with shade from hot sun. Grow outdoors in fertile moist but well-drained soil in full sun in a frost-free area. Grow against a wall or among other shrubs

Propagation

Propagate by softwood or semi-hardwood cuttings or layering

Suggested planting locations and garden types

Patio and container plants
Wall side borders
Flower borders and beds

Pruning

Pruning group 8 or pruning group 9 in late winter or pruning group 13 in spring

Pests

May be susceptible to glasshouse whitefly, aphids and glasshouse red spider mite

Diseases

Generally disease-free