Clerodendrum thomsoniae

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bleeding glory bower RHS

Other common names

bag flower, bleeding heart, bleeding heart vine

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Climber Wall Shrub Conservatory Greenhouse

An evergreen climber to 4m in height, with twining stems bearing ovate leaves and terminal panicles 10cm across, of crimson flowers with conspicuous white calyces

Position

Full sun

Soil Types

Clay, Loam, Sand

Max Height

2.5-4 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
5–10 years
Max Spread
1-1.5 metres
Max Height
2.5-4 metres

Growing Conditions

Clay Loam Sand
Moisture
Moist but 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)
H1B

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Climbing
Genus
Clerodendrum can be deciduous or evergreen shrubs, trees or climbers, with simple, often unpleasantly scented, leaves and panicles of usually fragrant salver-shaped flowers with prominent stamens, followed by small berries
Name Status
Correct
Plant Range
Trop. W Africa

How to Grow

Cultivation

Grow outdoors in warm, sheltered frost-free area. Grow under glass in peat-free, loam-based potting compost in full light with shade from hot sun and good ventilation in the summer

Propagation

Propagate by seed, semi-hardwood and root cuttings

Suggested planting locations and garden types

  • Patio and container plants
  • Low Maintenance

Pruning

Pruning group 11

Pests

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

Diseases

May be susceptible to honey fungus (rarely)