Scabiosa caucasica 'Perfecta Blue' (Perfecta Series)

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<em>Scabiosa</em> <em>caucasica</em> 'Perfecta Blue' (Perfecta Series) John Fielding
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Herbaceous Perennial
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A clump-forming compact perennial, with mid-green leaves. In summer and early autumn it produces large lavender-blue flowers on thin stems above the foliage. Blooms are frilly at the edges, fading to pale lavender-white at the centre.

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

Full sun
Aspect
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)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Caprifoliaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
Scabiosa can be annuals, biennials or herbaceous or evergreen perennials, with simple or pinnately lobed leaves and characteristic flower-heads with enlarged outer florets
Name Status
Unresolved

How to Grow

Cultivation

Grow in moderately fertile, well-drained, neutral to slightly alkaline soil in full sun; ideal for chalky soils. Dislikes heavy wet soil

Propagation

Propagate by seed in containers in a cold frame as soon as ripe or in spring. Propagate by division in spring or take basal semi-ripe cuttings. Lift and divided every three years to maintain vigour

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Wildlife gardens
  • Patio and container plants
  • Cut flowers
  • Flower borders and beds

Pruning

Deadhead to prolong flowering. Cut back after flowering in autumn

Pests

Generally pest-free

Diseases

Generally disease-free