Helenium 'Double Trouble'PBR

RHS Plant Profile
sneezeweed 'Double Trouble'

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sneezeweed 'Double Trouble' RHS / Joanna Kossak
sneezeweed 'Double Trouble' RHS
Herbaceous Perennial
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A bushy, upright, clump-forming perennial to 80cm tall with deep green, lance-shaped leaves and sturdy stems bearing double flowers comprising ruffled yellow outer petals surrounding a button-like, golden-yellow eye

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

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

Growing Conditions

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

Position

Full sun
Aspect
South–facing or West–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)
H7

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
Helenium may be upright, clump-forming annuals, biennials or herbaceous perennials with simple leaves and showy daisy-like flower-heads over a long period
Name Status
Accepted

How to Grow

Cultivation

Grow in full sun in fertile, moisture-retentive, humus-rich soil, and provide support for the tall stems; divide every two to three years to maintain vigour

Propagation

Propagate by division in autumn or spring, or by basal softwood cuttings in containers in a cold frame in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildlife gardens
  • Prairie planting
  • Cut flowers
  • Flower borders and beds

Pruning

No pruning required, but deadheading will prolong flowering

Pests

Generally pest-free

Diseases

Generally disease-free, but may be susceptible to a leaf spot