Linum perenne 'Blau Saphir'

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Synonyms

Linum perenne 'Nanum Sapphire'
Linum perenne 'Blue Sapphire'
Linum perenne Blue Sapphire

Herbaceous Perennial

A low-growing perennial to 30cm tall with narrow, blue-green leaves and sky-blue, saucer-shaped flowers in summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or 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
Linaceae
Native to GB/Ireland
No
Foliage
Semi evergreen
Habit
Bushy
Genus
Linum can be annuals, biennials evergreen or herbaceous perennials or shrubs, with clusters of funnel-shaped flowers over a long period in spring or summer
Name Status
Accepted

How to Grow

Cultivation

Grow in very well-drained soil in full sun; heat tolerant and good for hot, dry locations

Propagation

Propagate by seed or stem tip cuttings

Suggested planting locations and garden types

  • Cottage and informal garden
  • Gravel garden
  • Mediterranean climate plants
  • Patio and container plants
  • Rock garden
  • Flower borders and beds
  • Wall side borders

Pruning

No pruning required

Pests

May be susceptible to slugs, snails and aphids

Diseases

Generally disease-free