Overview
Helleborus 'SP Sandra' (Spring Promise Series) is a clump forming herbaceous perennial in the genus Helleborus, part of the Ranunculaceae family, with semi evergreen, evergreen foliage. Helleborus 'SP Sandra' (Spring Promise Series) grows best in partial shade, and tolerates most soils and alkaline and neutral pH. Its UK hardiness is rated H7. Suggested uses include city and courtyard gardens and cottage and informal garden.
About
Helleborus 'SP Sandra' (Spring Promise Series) is a clump-forming herbaceous perennial within the Helleborus genus, known for its rhizomatous or semi-evergreen growth habit. This cultivar features semi-evergreen to evergreen foliage and produces sizable, bowl-shaped blooms in late winter or spring, typically in loose clusters. It thrives in partial shade with a sheltered aspect, preferring fertile, humus-rich, moist but well-drained soil that can be chalk, clay, loam, or sand with neutral to alkaline pH. Suitable for city, courtyard, cottage, and informal gardens, it is hardy to UK zone H7 and benefits from annual mulching and propagation by seed or division in autumn.
Growing conditions
Best soil and position for Helleborus
- Sunlight
- Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- West-facing, South-facing, North-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H7
Plant details
Helleborus 'SP Sandra' (Spring Promise Series) size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Semi evergreen, Evergreen
- Suggested uses
- City and courtyard gardens, Cottage and informal garden
Care notes
Pruning and caring for Helleborus 'SP Sandra' (Spring Promise Series)
- Propagation
- Propagate by seed or by division in autumn
- Pest resistance
- May be susceptible to hellebore aphid, hellebore leaf miner and snails
- Disease resistance
- May be susceptible to hellebore leaf spot and hellebore black death
Frequently asked questions
Where is the best place to plant Helleborus 'SP Sandra' (Spring Promise Series)?
Helleborus 'SP Sandra' (Spring Promise Series) prefers partial shade. It suits sheltered positions.
What soil does Helleborus 'SP Sandra' (Spring Promise Series) need?
Helleborus 'SP Sandra' (Spring Promise Series) is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It prefers alkaline and neutral soil. Aim for soil that stays moist but well-drained.
Is Helleborus 'SP Sandra' (Spring Promise Series) hardy in the UK?
Helleborus 'SP Sandra' (Spring Promise Series) has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Helleborus 'SP Sandra' (Spring Promise Series)?
Propagate by seed or by division in autumn.
More in the Helleborus genus
- Helleborus argutifoliusholly-leaved hellebore
- Helleborus foetidusstinking hellebore
- Helleborus foetidus 'Chedglow Variegated' (v)
- Helleborus foetidus 'Green Giant'
- Helleborus foetidus 'Red Silver'
- Helleborus foetidus 'Sienna'
- Helleborus lividus subsp. lividus
- Helleborus niger 'Double Fantasy' (d)
