Helenium autumnale 'Siesta'PBR (Mariachi Series)
sneezeweed 'Siesta'
'Siesta' is a clump-forming herbaceous perennial 45-55cm high with branched stems, lance-shaped green leaves, and flowerheads with deep russet-red ray-florets, chocolate-brown disc-florets, and golden anthers, from late summer to early autumn; the flowers provide pollen for bees and nectar for bees and other insects
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Brown Gold Red | Green | ||
| Autumn | Brown Gold Red | Green | ||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical 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
Accepted
How to grow
Cultivation
Grow in full sun in fertile, moisture-retentive, humus-rich, well-drained soil; 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; propagation for resale is prohibited without a licence
Suggested planting locations and garden types
- Prairie planting
- City and courtyard gardens
- Cottage and informal garden
- Wildlife gardens
- 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 affected by leaf spot
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.