Overview
Helenium autumnale 'Grandiflorum' is a bushy, clump-forming herbaceous perennial in the genus Helenium, part of the Asteraceae family, with deciduous foliage. Helenium autumnale 'Grandiflorum' grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H7. Suggested uses include flower borders and beds, prairie planting, wildlife gardens and cut flowers.
About
Helenium autumnale 'Grandiflorum' is a herbaceous perennial cultivar within the Helenium genus, known for its upright, bushy, clump-forming habit. This deciduous plant thrives in full sun and prefers fertile, moist but well-drained loam soil with a neutral pH. It is hardy in the UK (H7) and flowers from summer into autumn, producing prominent daisy-like flower heads. Suitable for flower borders, prairie planting, wildlife gardens, and as cut flowers, it can be propagated by division or basal cuttings in spring.
Growing conditions
Best soil and position for Helenium
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, East-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
Helenium autumnale 'Grandiflorum' size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Bushy, Clump-forming
- Foliage
- Deciduous
- Suggested uses
- Flower borders and beds, Prairie planting, Wildlife gardens, Cut flowers
Care notes
Pruning and caring for Helenium autumnale 'Grandiflorum'
- Propagation
- Division in autumn or spring, Basal cuttings in spring
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to leaf spot, powdery mildew
Frequently asked questions
Where is the best place to plant Helenium autumnale 'Grandiflorum'?
Helenium autumnale 'Grandiflorum' prefers full sun. It suits exposed and sheltered positions.
What soil does Helenium autumnale 'Grandiflorum' need?
Helenium autumnale 'Grandiflorum' grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Helenium autumnale 'Grandiflorum' hardy in the UK?
Helenium autumnale 'Grandiflorum' has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Helenium autumnale 'Grandiflorum'?
Division in autumn or spring, Basal cuttings in spring.
More in the Helenium genus
- Helenium 'Moerheim Beauty'
- Helenium 'Sunshine'
- Helenium 'Tiny Dancer'
- Helenium autumnale 'All Gold'
- Helenium autumnale 'Coccineum-bruneum'
- Helenium 'Chesney'
- Helenium 'Gay-go-round'
- Helenium 'Julisonne'