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leek 'Mammoth Blanch' | Plant Finder | Fill My Garden

Home/Plants/Climbers

Plants > Climbers

leek 'Mammoth Blanch'

Allium porrum 'Mammoth Blanch'

★ RHS AGM

Genus: Allium
Family: Amaryllidaceae

About this plant

A hardy perennial grown as an annual vegetable. This is a superior exhibition variety with an extra long white blanch and thick, broad flat. The root system will improve heavy soils

Growing Information

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full Sun

Soil

SandyLoamChalkClay

AlkalineNeutral

Not Currently Available

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

Moisture

Well Drained

Aspect

West FacingEast Facing

Exposure

Exposed

Care Guide

Cultivation

Grow in fertile, moist but well drained soil in full sun. Start in modules indoors between Jan-Feb and transplant out in early Summer, or sow outdoors between Mar-Apr and earth up the stems during the growing season to increase the length of the blanched stem. See Vegetable Cultivation

Pruning

No pruning required

Propagation

Propagate by seed

Pests

May be susceptible to onion fly

Diseases

May be susceptible to onion white rot, leek rust

Garden Uses

Season of Interest

SpringSummerAutumnWinter

Size & Characteristics

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Habit

Climbing

Time to Full Height

One To Two Years