Hosta 'Bunchoku' (Plantain Lily) — Clump-forming, mounded

Overview

Hosta 'Bunchoku' is a clump-forming, mounded perennial in the genus Hosta, part of the Asparagaceae family, with deciduous; broad, ribbed or puckered, often variegated or glaucous foliage. Hosta 'Bunchoku' grows best in partial to full shade; blue-leaved kinds hold their colour best out of sun, and tolerates fertile loam enriched with organic matter soils and neutral to slightly acid pH. Its UK hardiness is rated H7. Suggested uses include shade gardens, borders, ground cover and container planting.

About

Hosta 'Bunchoku' is a clump-forming, mounded perennial in the Asparagaceae grown principally for its broad, ribbed or puckered leaves. The foliage is deciduous and commonly shows variegation or a glaucous sheen in the genus. It prefers partial to full shade and produces flowers from June to August. Use it in shaded borders, as ground cover or in containers on a north- or east-facing aspect.

About the genus

Hosta is a genus of plants commonly known as hostas, plantain lilies and occasionally by the Japanese name gibōshi. Hostas are widely cultivated as shade-tolerant foliage plants. The genus is placed in the family Asparagaceae, subfamily Agavoideae, and is native to northeast Asia.

Wikipedia contributors, "Hosta", CC BY-SA 4.0 — Hosta

In the garden

Hosta 'Bunchoku' belongs to the genus Hosta and forms a tidy, mounded clump valued for broad, ribbed or puckered leaves that are typically deciduous. Within the genus, leaves are often variegated or glaucous in tone; the plants flower in early to midsummer, with blooms appearing from June to August. For reliable growth choose a north- or east-facing, sheltered location where light is dappled rather than direct. Aim for fertile loam enriched with plenty of organic matter, a neutral to slightly acid pH and soil that remains reliably moist but never waterlogged. Partial to full shade suits most hostas; blue-toned leaves hold their colour best out of strong sun. Hosta 'Bunchoku' is rated H7 for the UK, meaning it is fully hardy and will tolerate typical winter frosts; the cultivar also maps to USDA zones 3–9. It works well set beneath larger shrubs, in shaded mixed borders, as a low ground cover or planted in containers kept slightly shaded. Plant in groups for a continuous leaf display through summer; remove or cut back spent flower stalks after August to keep the clump tidy and concentrate energy into leaf renewal.

Growing conditions

Best soil and position for Hosta

Sunlight: Partial to full shade; blue-leaved kinds hold their colour best out of sun
Soil type: Fertile loam enriched with organic matter
Soil pH: Neutral to slightly acid
Soil moisture: Reliably moist but never waterlogged
Aspect: North or east facing
Exposure: Sheltered
UK hardiness: H7

Plant details

Hosta 'Bunchoku' size, habit and characteristics

Plant type: Perennial
Habit: Clump-forming, mounded
Foliage: Deciduous; broad, ribbed or puckered, often variegated or glaucous
Suggested uses: Shade gardens, borders, ground cover, container planting

Care notes

Pruning and caring for Hosta 'Bunchoku'

Cultivation: Give a cool root run, generous leaf mould and consistent moisture — drought is what produces thin, scorched leaves. Growing in containers makes slug control far easier, and a top-dressing of grit or a copper band around the pot helps further.
Pruning: No pruning needed. Remove flower scapes once faded if seed is not wanted, and clear collapsed foliage in late autumn to take away slug shelter.
Propagation: Divide crowns in early spring as the shoots emerge, cutting between the buds with a sharp knife. Division is the only way to keep a named cultivar true.
Pest resistance: Highly attractive to slugs and snails, which is the one real limiting factor; vine weevil can be serious in containers.
Disease resistance: Generally healthy. Hosta virus X is the notable exception — affected plants should be destroyed rather than divided.

Frequently asked questions

How do I grow Hosta 'Bunchoku'?

Give a cool root run, generous leaf mould and consistent moisture — drought is what produces thin, scorched leaves. Growing in containers makes slug control far easier, and a top-dressing of grit or a copper band around the pot helps further.

Where is the best place to plant Hosta 'Bunchoku'?

Hosta 'Bunchoku' prefers partial to full shade; blue-leaved kinds hold their colour best out of sun. It suits sheltered positions.

What soil does Hosta 'Bunchoku' need?

Hosta 'Bunchoku' grows best in fertile loam enriched with organic matter soil. It prefers neutral to slightly acid soil. Aim for soil that stays reliably moist but never waterlogged.

How do I prune Hosta 'Bunchoku'?

No pruning needed. Remove flower scapes once faded if seed is not wanted, and clear collapsed foliage in late autumn to take away slug shelter.

Is Hosta 'Bunchoku' hardy in the UK?

Hosta 'Bunchoku' has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Hosta 'Bunchoku'?

Divide crowns in early spring as the shoots emerge, cutting between the buds with a sharp knife. Division is the only way to keep a named cultivar true.

More in the Hosta genus

Browse all Hosta →