Clematis florida var. florida 'Sieboldiana' (d)

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clematis 'Sieboldiana'

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Other common names

passion flower clematis

Synonyms

Clematis florida 'Sieboldii'
Clematis florida 'Bicolor'
Clematis florida var. sieboldiana

Climber Wall Shrub
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A deciduous climber, 1.2-2.4m tall, with mid-green foliage. Creamy-white flowers, 7-10cm in diameter, with a large central violet-purple boss, are borne form mid-summer to early autumn

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
2–5 years
Max Spread
1-1.5 metres
Max Height
1.5-2.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Alkaline or Neutral

Position

Full sun
Aspect
West–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)
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Ranunculaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Climbing
Potentially harmful
Skin irritant. Wear gloves and other protective equipment when handling. Pets (rabbits): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Clematis can be deciduous or evergreen shrubs or herbaceous perennials, mostly climbing by twining leaf-stalks, and often with showy flowers. Some have attractive fluffy seedheads in autumn
Name Status
Accepted

How to Grow

Cultivation

Plant in a moisture-retentive, well-drained soil, in a warm, sheltered position. Plant with the crown 5-8cm deep to encourage new shoots to grow from below ground level. Can be grown in containers, at least 45cm deep and wide, in a peat-free, loam-based potting compost; best outdoors in mild localities only, ideal for conservatory cultivation. See also clematis cultivation for further advice

Propagation

Propagate by softwood or semi-ripe cuttings or layering

Suggested planting locations and garden types

  • Patio and container plants
  • City and courtyard gardens
  • Cottage and informal garden
  • Wall side borders

Pruning

Clematis pruning: group two

Pests

May be susceptible to aphid, slug and snail damage on young shoots

Diseases

May be susceptible to honey fungus (rarely), clematis wilt and clematis slime flux