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
- Muscarigrape hyacinth

- Muscari armeniacum 'Argaei Album'

- Muscari armeniacum 'Côte d'Azur'

- Muscari aucheri 'Autumn Glory'

- Muscari 'Chimcan'
- Muscari 'Early Bird'
- Muscari 'Julia'
- Muscari 'Lindsay'