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Where are Plant Finder & Plant Selector?

We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.

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  • AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases
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Hyacinthus orientalis 'Blue Jacket'

hyacinth 'Blue Jacket'

AGM plants

AGM plants have been through a rigorous trial and assessment programme. They are:

  • Excellent for ordinary use in appropriate conditions
  • Available to buy
  • Of good constitution
  • Essentially stable in form & colour
  • Reasonably resistant to pests & diseases
hyacinth 'Blue Jacket'

© RHS

4 suppliers

  • Other common names hyacinth 'Blue Jacket'

  • Family Asparagaceae

  • 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

  • Details 'Blue Jacket' is a bulbous perennial to 30cm, with erect, slightly fleshy, rich green leaves and stiff spikes of fragrant, single deep blue flowers with a dark purple stripe on each petal

Characteristics

  • Foliage Deciduous

  • Habit Tufted

  • Fragrance Flower

  • Toxicity Ingestion may cause severe discomfort

  • 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)

    H4

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or West-facing or East-facing

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Clay

    Clay

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Clay, Chalk, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0-0.1 metre

  • Time to ultimate height 2-5 years

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 Flower borders and beds City & Courtyard Gardens Cottage & Informal Garden Mediterranean Climate Plants Patio & Container Plants

How to care

Pruning No pruning required

Pests Generally pest free

Diseases Generally disease free

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