About
Royal Navy' is a hardy, bulbous perennial with semi-erect green basal leaves, bearing up to 40 dark-blue double flowers, 2-3.5cm long, packed into a head that's 20cm high in spring. The flowers are strongly perfumed.
About the 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
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectNorth-facing, West-facing, South-facing, East-facing
ExposureSheltered
UK hardinessH4
Plant details
Plant typeBulbs, Conservatory Greenhouse, Houseplants
HabitBushy
FoliageDeciduous
Height0.1-0.5 metres
Spread0-0.1 metre
Time to full height1-2 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Patio and container plants, Coastal, Gravel garden
FragranceFlower
ToxicitySkin irritant, Ornamental bulbs - not to be eaten. Pets: Skin irritant. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Care notes
CultivationPlant 10cm deep in autumn in any moderately fertile, humus-rich, well-drained soil. Protect container grown bulbs from excessive winter wet
PruningNo pruning required
PropagationPropagate by removing offsets when dormant in summer
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceGenerally disease-free