Overview

Muscari 'Cool Blues' is a clump forming, columnar upright bulbs in the genus Muscari, part of the Asparagaceae family, with deciduous foliage. Muscari 'Cool Blues' grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H6. Suggested uses include city and courtyard gardens, cottage and informal garden, patio and container plants, rock garden, wildflower meadow, wildlife gardens, banks and slopes, garden edging and underplanting of roses and shrubs.

About

Muscari 'Cool Blues' is a clump-forming, columnar upright cultivar of the Muscari genus, which comprises perennial bulbous plants with narrow, strap-like foliage. This deciduous cultivar thrives in full sun and is suitable for south- or west-facing aspects, tolerating both exposed and sheltered conditions. It prefers well-drained soils of various types and pH levels, including chalk, clay, loam, and sand. Hardy to UK zone H6, 'Cool Blues' is ideal for a range of garden settings such as city gardens, rock gardens, and wildflower meadows, offering spring interest with its characteristic clusters of small, bell-shaped flowers.

Growing conditions

Best soil and position for Muscari

Sunlight
Full sun
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H6

Plant details

Muscari 'Cool Blues' size, habit and characteristics

Plant type
Bulbs
Habit
Clump forming, Columnar upright
Foliage
Deciduous
Suggested uses
City and courtyard gardens, Cottage and informal garden, Patio and container plants, Rock garden, Wildflower meadow, Wildlife gardens, Banks and slopes, Garden edging, Underplanting of roses and shrubs

Care notes

Pruning and caring for Muscari 'Cool Blues'

Propagation
Division of established clumps, separating offsets when dormant in summer
Pest resistance
Generally pest-free
Disease resistance
May be susceptible to fungal infections including anther smuts and bluebell rust, bacterial soft rot, some virus diseases

Frequently asked questions

Where is the best place to plant Muscari 'Cool Blues'?

Muscari 'Cool Blues' prefers full sun. It suits exposed and sheltered positions.

What soil does Muscari 'Cool Blues' need?

Muscari 'Cool Blues' is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained to well-drained.

Is Muscari 'Cool Blues' hardy in the UK?

Muscari 'Cool Blues' has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.

How do I propagate Muscari 'Cool Blues'?

Division of established clumps, separating offsets when dormant in summer.

More in the Muscari genus

Browse all Muscari