Overview
Alcea rosea 'Halo Lavender' (Halo Series) is a columnar upright annual biennial in the genus Alcea, part of the Malvaceae family, with deciduous foliage. Alcea rosea 'Halo Lavender' (Halo Series) grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden, coastal, flower borders and beds and wall side borders.
About
Alcea rosea 'Halo Lavender' (Halo Series) is a cultivar of hollyhock, a genus of sturdy biennials or short-lived perennials known for their large, funnel-shaped flowers arranged in tall, upright racemes during summer. This cultivar has a columnar upright habit and deciduous foliage, thriving best in full sun with exposure ranging from sheltered to exposed sites. It prefers fertile, well-drained soils including chalk, loam, and sand, across a range of pH levels. Hardy to UK zone H5, 'Halo Lavender' is suited to cottage and informal gardens, coastal areas, flower borders, and wall-side borders, offering seasonal interest in spring and summer.
Growing conditions
Best soil and position for Alcea
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
Alcea rosea 'Halo Lavender' (Halo Series) size, habit and characteristics
- Plant type
- Annual Biennial
- Habit
- Columnar upright
- Foliage
- Deciduous
- Suggested uses
- Cottage and informal garden, Coastal, Flower borders and beds, Wall side borders
Care notes
Pruning and caring for Alcea rosea 'Halo Lavender' (Halo Series)
- Propagation
- Seed sown in gentle heat in mid-winter, In-situ in spring
- Pest resistance
- Cutworms, Slugs, Capsid bugs, Aphids, Mallow flea beetles
- Disease resistance
- Hollyhock rust
Frequently asked questions
Where is the best place to plant Alcea rosea 'Halo Lavender' (Halo Series)?
Alcea rosea 'Halo Lavender' (Halo Series) prefers full sun. It suits exposed and sheltered positions.
What soil does Alcea rosea 'Halo Lavender' (Halo Series) need?
Alcea rosea 'Halo Lavender' (Halo Series) is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Alcea rosea 'Halo Lavender' (Halo Series) hardy in the UK?
Alcea rosea 'Halo Lavender' (Halo Series) has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Alcea rosea 'Halo Lavender' (Halo Series)?
Seed sown in gentle heat in mid-winter, In-situ in spring.
