Hosta crispula (curled plantain lily) — Clump-forming, mounded

Overview

Hosta crispula 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. It typically grows around 0.6 m tall. Hosta crispula 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. It is native to Japan.

About

Hosta crispula is a clump-forming, mounded perennial characterised by broad, ribbed or puckered leaves that are often variegated or glaucous. It grows to about 0.6 m and is deciduous. Flowering occurs from June to August. It suits partial to full shade, with blue-leaved types holding their colour best out of strong sun.

Wikipedia contributors, CC BY-SA 4.0 — Hosta sieboldiana

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 crispula originates from Japan and forms neat mounds of broad, ribbed or puckered leaves, often showing variegation or a glaucous (bluish) bloom. The clumps reach roughly 0.6 m and produce their flowers between June and August. The foliage character is the primary garden feature rather than the blooms. Position plants in partial to full shade on a north- or east-facing aspect and in a sheltered spot to avoid exposure. Soil should be a fertile loam enriched with organic matter, neutral to slightly acid, and kept reliably moist but never waterlogged. The cultivar is rated H7 — fully hardy — so it tolerates UK winters when sited correctly; blue-leaved selections retain their tone best when protected from direct sun. Use Hosta crispula in shade borders or shaded mixed beds where its textured leaves provide structure at the ground level. It works well beside paths or seating areas that receive limited light and benefits from an organic mulch to maintain even moisture through the growing season. Choose blue-leaved clones for deeper shade to preserve their glaucous leaf colour.

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 crispula size, habit and characteristics

Plant type: Perennial
Habit: Clump-forming, mounded
Foliage: Deciduous; broad, ribbed or puckered, often variegated or glaucous
Height: 0.6 m
Native to: Japan

Care notes

Pruning and caring for Hosta crispula

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 crispula?

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 crispula?

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

What soil does Hosta crispula need?

Hosta crispula 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 crispula?

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.

How big does Hosta crispula grow?

Hosta crispula reaches a height of 0.6 m.

Is Hosta crispula hardy in the UK?

Hosta crispula 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 crispula?

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 →