Muscari azureum

RHS Plant Profile

azure grape hyacinth

Synonyms

Hyacinthus azureus
Pseudomuscari azureum
Bellevalia azurea
Hyacinthella azurea

Bulbs

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A compact, bulbous perennial to 10cm in height, with narrow, channelled leaves. Small, bell-shaped pale blue flowers, each segment having a darker central stripe, are borne in dense racemes

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0-0.1 metre

Size

Time to Maturity: 2–5 years
Max Spread: 0-0.1 metre
Max Height: Up to 10 cm

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: North–facing or East–facing or South–facing or West–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asparagaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Tufted
Potentially harmful: Ornamental bulbs - not to be eaten. Wear gloves and other protective equipment when handling Pets: Ornamental bulbs - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus: Muscari are bulbous perennials with linear or strap-shaped leaves and small bell-shaped, tubular or urn-shaped flowers borne in a dense raceme on an erect leafless stem
Name Status: Correct
Plant Range: Turkey

How to Grow

Cultivation

Plant 10cm deep in autumn in any moderately fertile, well-drained soil. Lift and divide (when dormant in summer) congested clumps to maintain vigour. May be invasive

Propagation

Propagate by seed, sown in autumn, in containers in a cold frame or separate offsets in summer

Suggested planting locations and garden types

Cottage and informal garden
City and courtyard gardens
Gravel garden
Patio and container plants
Rock garden
Wildflower meadow
Low Maintenance
Flower borders and beds
Garden edging
Ground cover
Underplanting of roses and shrubs

Pruning

No pruning required

Pests

Generally pest-free

Diseases

May be susceptible to fungal infections including anther smuts and bluebell rust (see rust diseases), and bacterial soft rot and some virus diseases