Overview

Syringa x hyacinthiflora 'Declaration' is a bushy shrubs in the genus Syringa, part of the Oleaceae family, with deciduous foliage. Syringa x hyacinthiflora 'Declaration' grows best in full sun, and tolerates most soils and alkaline and neutral pH. Its UK hardiness is rated H6. Suggested uses include cottage and informal garden, city and courtyard gardens, coastal and flower borders and beds.

About

Syringa x hyacinthiflora 'Declaration' is a bushy deciduous shrub belonging to the genus Syringa, known for its simple, typically entire leaves and conical clusters of small, highly aromatic tubular flowers in late spring or early summer. This lilac cultivar thrives in full sun and is adaptable to various soil types including chalk, clay, loam, and sand, preferring moist but well-drained to well-drained alkaline or neutral soils. Hardy to UK zone H6, it suits a range of garden settings such as cottage, informal, city, courtyard, coastal, and flower borders. Propagation is commonly achieved through softwood cuttings, layering, or grafting.

Growing conditions

Best soil and position for Syringa

Sunlight
Full sun
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Alkaline, Neutral
Soil moisture
Moist but well-drained,Well-drained
Aspect
East-facing, North-facing, South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H6

Plant details

Syringa x hyacinthiflora 'Declaration' size, habit and characteristics

Plant type
Shrubs
Habit
Bushy
Foliage
Deciduous
Suggested uses
Cottage and informal garden, City and courtyard gardens, Coastal, Flower borders and beds

Care notes

Pruning and caring for Syringa x hyacinthiflora 'Declaration'

Propagation
Softwood cuttings,Layering in early summer,Grafting in winter
Pest resistance
Lilac leaf-mining moth,Willow scale,Thrips
Disease resistance
Lilac blight,Honey fungus,Phytophthora,Powdery mildews,Bacterial canker

Frequently asked questions

Where is the best place to plant Syringa x hyacinthiflora 'Declaration'?

Syringa x hyacinthiflora 'Declaration' prefers full sun. It suits exposed and sheltered positions.

What soil does Syringa x hyacinthiflora 'Declaration' need?

Syringa x hyacinthiflora 'Declaration' is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It prefers alkaline and neutral soil. Aim for soil that stays moist but well-drained to well-drained.

Is Syringa x hyacinthiflora 'Declaration' hardy in the UK?

Syringa x hyacinthiflora 'Declaration' has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.

How do I propagate Syringa x hyacinthiflora 'Declaration'?

Softwood cuttings,Layering in early summer,Grafting in winter.

More in the Syringa genus

Browse all Syringa