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Hyacinthus orientalis 'Delft Blue'
  • RHS AGM

hyacinth 'Delft Blue'

'Delft Blue' is a bulbous perennial to 30cm in height, with glossy green leaves and shapely spike-like racemes of fragrant, soft mid-blue flowers

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0–0.1 metre
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green
Summer
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or North–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Asparagaceae
Native to the UK
No
Foliage
Deciduous
Habit
Tufted
Potentially harmful
Ingestion may cause severe discomfort, skin irritant. Wear gloves and other protective equipment when handling
Genus

Hyacinthus are bulbous perennial with glossy, broadly strap-shaped leaves and fragrant, bell-shaped flowers with recurved petals, borne in loose or dense racemes in spring

Name status

Accepted

How to grow

Cultivation

Plant 10cm deep in autumn in any moderately fertile, humus-rich, well-drained soil. Protect container grown bulbs from excessive winter wet

Propagation

Propagate by removing offsets when dormant in summer

Suggested planting locations and garden types
  • Patio and container plants
  • City and courtyard gardens
  • Cottage and informal garden
  • Mediterranean climate plants
  • Flower borders and beds
Pruning

No pruning required

Pests

Can get slug damage

Diseases

Generally disease free

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