Eudianthe coeli-rosa 'Blue Angel'

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<em>Eudianthe</em> <em>coeli-rosa</em> 'Blue Angel' RHS
<em>Eudianthe</em> <em>coeli-rosa</em> 'Blue Angel' RHS

Synonyms

Silene coeli-rosa 'Blue Angel'

Annual Biennial
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A hardy annual which produces soft, upright, green leaves and produces delicate blue flowers from June until September. Make an excellent cut flower and will grow in the poorest of soils

Position

Full sun, Partial shade

Soil Types

Chalk, Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Chalk Loam
Moisture
Well–drained
pH
Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or East–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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Caryophyllaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Genus
A small genus of flowering annuals native to the Mediterranean with green, lance-shaped leaves and long, thin, arched stems of pink, red, blue, purple or white flowers in summer
Name Status
Unresolved

How to Grow

Cultivation

Grow in moderately fertile, well-drained, neutral to slightly alkaline soil in full sun or dappled shade.

Propagation

Propagate by seed sown in-situ in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Flower borders and beds

Pruning

Cut back after flowering

Pests

Generally pest-free

Diseases

May be susceptible to powdery mildews