Hosta × tardiana (plantain lily Tardiana Group) — Clump-forming, mounded

Overview

Hosta × tardiana 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 × tardiana 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.

About

Hosta × tardiana is a clump-forming, mounded perennial in the Asparagaceae grown for its broad, ribbed or puckered leaves that are often variegated or glaucous. It suits partial to full shade and blue-leaved kinds hold their colour best out of direct sun. Plant in fertile loam enriched with organic matter, kept reliably moist but never waterlogged, on neutral to slightly acid soil. It is fully hardy in the UK (H7) and flowers from June to August.

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 × tardiana is a mounded, clump-forming perennial in the genus Hosta (family Asparagaceae), cultivated primarily for its foliage: broad, ribbed or puckered leaves that are frequently variegated or glaucous. Flowering is a secondary feature, occurring from June to August, so planning should focus on leaf colour and texture when siting the plant. Plant into fertile loam worked with plenty of organic matter; the best pH range is neutral to slightly acid. Position the clumps in partial to full shade on north- or east-facing aspects where shelter reduces leaf scorch and wind damage. Maintain reliably moist soil but avoid waterlogging; this group is rated H7 in the UK, equivalent to full hardiness, and corresponds to USDA zones 3–9. Use Hosta × tardiana in shaded, sheltered beds and borders where its mounded habit provides steady structure through the season. Blue-leaved forms keep their tone when protected from strong sun, while variegated selections pick out lighter tones in dimmer situations. Leaves are deciduous, so expect seasonal dieback as part of its growth cycle.

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 × tardiana size, habit and characteristics

Plant type: Perennial
Habit: Clump-forming, mounded
Foliage: Deciduous; broad, ribbed or puckered, often variegated or glaucous

Care notes

Pruning and caring for Hosta × tardiana

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 × tardiana?

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 × tardiana?

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

What soil does Hosta × tardiana need?

Hosta × tardiana 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 × tardiana?

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 × tardiana hardy in the UK?

Hosta × tardiana 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 × tardiana?

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 →