Overview
Cyrtanthus 'Alaska' is a tufted bulbs in the genus Cyrtanthus, part of the Amaryllidaceae family, with deciduous foliage. Cyrtanthus 'Alaska' grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H2. Suggested uses include patio and container plants, sub-tropical and wall side borders.
About
Cyrtanthus 'Alaska' is a tufted cultivar of the bulbous perennial genus Cyrtanthus, known for its cluster of strap-like leaves and upright stems bearing umbels of tubular or funnel-shaped flowers. This deciduous plant thrives in full sun on a south-facing, sheltered aspect with well-drained loam soil of neutral pH. Hardy to UK zone H2, it is suitable for patio and container planting as well as sub-tropical and wall-side borders. Best grown in spring, it can be propagated by seed or offsets.
Growing conditions
Best soil and position for Cyrtanthus
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H2
Plant details
Cyrtanthus 'Alaska' size, habit and characteristics
- Plant type
- Bulbs
- Habit
- Tufted
- Foliage
- Deciduous
- Suggested uses
- Patio and container plants, Sub-tropical, Wall side borders
Care notes
Pruning and caring for Cyrtanthus 'Alaska'
- Propagation
- Seed, offsets in spring
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Cyrtanthus 'Alaska'?
Cyrtanthus 'Alaska' prefers full sun. It suits sheltered positions.
What soil does Cyrtanthus 'Alaska' need?
Cyrtanthus 'Alaska' grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Cyrtanthus 'Alaska' hardy in the UK?
Cyrtanthus 'Alaska' has an RHS hardiness rating of H2, meaning it is tender, tolerating 1–5°C, and needs frost-free protection over winter.
How do I propagate Cyrtanthus 'Alaska'?
Seed, offsets in spring.
More in the Cyrtanthus genus
- Cyrtanthus elatus 'Pink Diamond'

- Cyrtanthus mackenii 'Himalayan Pink'

- Cyrtanthus obliquus

- Cyrtanthus lutescens
- Cyrtanthus luteus