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Herbaceous Perennial

Helenium 'Margot'
  • RHS Plants for pollinators

sneezeweed 'Margot'

A clump-forming perennial, up to around 1.2m high, with branching stems bearing narrow, toothed green leaves. Flowers are deep red in the centre with a broad ring of yellow around the edge, and are produced from midsummer into autumn

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Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Red Yellow Green
Autumn Red Yellow Green
Winter
Position
  • Full sun
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Asteraceae
Native to the UK
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

Unresolved

How to grow

Cultivation

Grow in full sun in fertile, moisture-retentive, humus-rich soil. Keep well watered in summer dry spells. Tall stems may need support (see staking perennials). Divide every two to three years to maintain vigour

Propagation

Propagate by basal softwood cuttings in spring, or by division in spring or late autumn

Suggested planting locations and garden types
  • Coastal
  • Cottage and informal garden
  • Prairie planting
  • Wildlife gardens
  • Cut flowers
  • Flower borders and beds
Pruning

No pruning required, but chopping or pinching out a section of plants in late spring can result in bushier growth that flowers slightly later, hiding leggy stems. Deadheading will also prolong flowering

Pests

May be susceptible to stem and bulb eelworm, tortrix moth, slugs and snails

Diseases

May be susceptible to powdery mildews, leaf spot, verticillium wilt and virus diseases

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