Overview

Allium 'Millenium' is a plant with a perennial, bulbous habit in the genus Allium, part of the Amaryllidaceae family, with linear, channeled or flat leaves foliage. Allium 'Millenium' grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include borders, rock gardens and containers.

About

Allium 'Millenium' is a perennial, bulbous member of the Amaryllidaceae grown for its seasonal flowering. It bears linear, channeled or flat leaves and blooms from May to July. Plant it in full sun on neutral loam that drains freely, ideally on a south‑facing, sheltered site, where its average UK hardiness (H4) is appropriate.

Growing conditions

Best soil and position for Allium

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H4

Plant details

Allium 'Millenium' size, habit and characteristics

Habit
Perennial, bulbous
Foliage
Linear, channeled or flat leaves
Suggested uses
Borders, rock gardens, containers

Care notes

Pruning and caring for Allium 'Millenium'

Propagation
Offsets, aerial bulbils, seed
Pest resistance
Generally pest-resistant
Disease resistance
Generally disease-resistant

Frequently asked questions

Where is the best place to plant Allium 'Millenium'?

Allium 'Millenium' prefers full sun. It suits sheltered positions.

What soil does Allium 'Millenium' need?

Allium 'Millenium' grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.

Is Allium 'Millenium' hardy in the UK?

Allium 'Millenium' has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Allium 'Millenium'?

Offsets, aerial bulbils, seed.

More in the Allium genus

Browse all Allium