Helenium 'Riverton Gem'
sneezeweed 'Riverton Gem'
'Riverton Gem' is an upright herbaceous perennial up to 1.2m high with green leaves and flowerheads 5-7cm across with deep burnt orange-crimson, yellow-streaked ray-florets and brown disc-florets, in late summer and early autumn; the flowers provide pollen for bees and nectar for bees and other insects
Size
Ultimate height
1–1.5 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 Red Yellow | Green | ||
| Autumn | Brown Red Yellow | Green | ||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing or East–facing
Exposure
Sheltered Hardiness
H7Botanical 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
- Flower borders and beds
- Cut flowers
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
Get involved
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