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AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
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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
Foliage Deciduous
Habit Tufted
Fragrance Flower
Toxicity Ingestion may cause severe discomfort, skin irritant
Hardiness
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H4
Full Sun
Partial Shade
Aspect South-facing or West-facing or East-facing
Exposure Sheltered
Chalk
Clay
Loam
Sand
MoistureMoist but well-drained, Well-drained
SoilChalk, Clay, Loam, Sand
pHAcid, Alkaline, Neutral
Ultimate height 0.1-0.5 metres
Ultimate spread 0-0.1 metre
Time to ultimate height 2-5 years
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 Cottage & Informal Garden City & Courtyard Gardens Patio & Container Plants Mediterranean Climate Plants
Pruning No pruning required
Pests Generally pest free
Diseases Generally disease free
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