Overview

Roscoea purpurea f. alba is a columnar upright herbaceous perennial in the genus Roscoea, part of the Zingiberaceae family, with deciduous foliage. Roscoea purpurea f. alba grows best in partial shade, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden, rock garden, flower borders and beds and underplanting of roses and shrubs.

About

Roscoea purpurea f. alba is a deciduous perennial cultivar of the Roscoea genus, known for its columnar upright habit and orchid-like flowers. It thrives in partial shade with a preference for north- or east-facing, sheltered positions, growing best in moist but well-drained loam soil with a neutral pH. This cultivar is hardy to UK zone H5 and is suitable for cottage and informal gardens, rock gardens, flower borders, and underplanting of roses and shrubs. It flowers from spring through to autumn, adding seasonal interest throughout the year.

Growing conditions

Best soil and position for Roscoea

Sunlight
Partial shade
Soil type
Loam
Soil pH
Neutral
Soil moisture
Moist but well-drained
Aspect
North-facing, East-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Roscoea purpurea f. alba size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Columnar upright
Foliage
Deciduous
Suggested uses
Cottage and informal garden, Rock garden, Flower borders and beds, Underplanting of roses and shrubs

Care notes

Pruning and caring for Roscoea purpurea f. alba

Propagation
Seed, Division
Pest resistance
Slugs, Vine weevil
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Roscoea purpurea f. alba?

Roscoea purpurea f. alba prefers partial shade. It suits sheltered positions.

What soil does Roscoea purpurea f. alba need?

Roscoea purpurea f. alba grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.

Is Roscoea purpurea f. alba hardy in the UK?

Roscoea purpurea f. alba 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 Roscoea purpurea f. alba?

Seed, Division.

More in the Roscoea genus

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