Plant Finder Features How It Works Pricing Testimonials Blog

The UK's leading eCommerce platform for horticulture businesses.

Product

Features
How It Works
Pricing

Company

About
Blog
Contact

Legal

Twitter LinkedIn

round-headed leek | Plant Finder | Fill My Garden

Home/Plants/Bulbs

Plants > Bulbs

round-headed leek

Allium sphaerocephalon

★ RHS AGMPollinator FriendlyFragrant

Genus: Allium
Family: Amaryllidaceae
Common Names: round-headed garlic

About this plant

A tall perennial with a tuft of narrow basal leaves to 30cm long, and long-stalked, dense, rounded heads of pink or reddish-brown flowers in summer

Growing Information

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full Sun

Soil

ClayChalkLoamSandy

AcidAlkaline

Not Currently Available

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

Neutral

Moisture

Poorly DrainedWell Drained

Aspect

West FacingNorth FacingEast FacingSouth Facing

Exposure

Exposed

Care Guide

Cultivation

Easy to grow in fertile well-drained soil. Add grit when grown in clay soils to improve drainage. See allium cultivation for further advice

Pruning

No pruning required

Propagation

Propagate by seed, sowing in containers in a cold frame when just ripe or in the spring. Alternatively, remove offsets in autumn

Pests

Generally pest free

Diseases

Onion white rot and a downy mildew may occur

Garden Uses

Uses

Cottage InformalFlower BordersGround CoverPatio Container

Planting Places

ConservatoryOutdoor

Season of Interest

SpringSummer

Size & Characteristics

Height

0.5-1 Metres

Spread

0.1-0.5 Metres

Habit

Bushy

Time to Full Height

Five To Ten Years