Helichrysum amorginum Ruby Cluster ('Blorub'PBR)

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everlasting flower [Ruby Cluster]

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everlasting flower [Ruby Cluster] RHS

Synonyms

Helichrysum amorginum 'Blorub'PBR

Herbaceous Perennial
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A herbaceous perennial producing a mound of felted, silvery-grey foliage to about 30cm. Clusters of deep red buds appear in spring, opening to pink, papery flowers that age to white with a yellow centre 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
Alkaline or Neutral

Position

Full sun
Aspect
West–facing or South–facing or East–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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
Helichrysum can be annuals, herbaceous or evergreen perennials or shrubs, usually with grey-hairy foliage and papery everlasting flower-heads
Name Status
Trade

How to Grow

Cultivation

Grow in poor to moderately fertile, well-drained, neutral to alkaline soil in full sun. Protect from winter wet and cold, dry winds

Propagation

Propagate by division in spring

Suggested planting locations and garden types

  • Rock garden
  • Gravel garden
  • Patio and container plants
  • Mediterranean climate plants
  • Flower borders and beds

Pruning

Trim as required

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus in gardens where it is present but insufficient data to determine degree of susceptibility. May also be susceptible to downy mildews and powdery mildews