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plantain lily 'Blue Mammoth' | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

plantain lily 'Blue Mammoth'

Hosta 'Blue Mammoth' (_sieboldiana_)

★ RHS AGM

Genus: Hosta
Family: Asparagaceae

About this plant

A large, clump-forming deciduous perennial to 1m high, with thick, broadly heart-shaped, pale blue-green leaves. Produces clusters of white and pale purple flowers held on stems above the foliage in summer

Growing Information

Height

0.5-1 Metres

Spread

1-1.5 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full ShadePartial Shade

Soil

ClayChalkLoamSandy

Acid

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Alkaline

Neutral

Moisture

Poorly Drained

Aspect

South FacingNorth FacingEast Facing

Exposure

Exposed

Care Guide

Cultivation

Grow in a shady spot in fertile soil that does not dry out, with shelter from cold, drying winds. Mulch annually in spring. Hostas in the ground may need watering during dry spells. See hosta cultivation for more detailed advice

Pruning

No pruning required

Propagation

Propagate by division in early spring or late summer

Pests

May be susceptible to slugs and snails

Diseases

May be susceptible to virus diseases

Garden Uses

Uses

Cottage InformalGround Cover

Planting Places

Outdoor

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

0.5-1 Metres

Spread

1-1.5 Metres

Habit

Clump Forming

Time to Full Height

Five To Ten Years