Overview
Spiraea densiflora subsp. densiflora is a bushy, suckering shrubs in the genus Spiraea, part of the Rosaceae family, with deciduous foliage. Spiraea densiflora subsp. densiflora grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H6. Suggested uses include mixed borders, shrub borders, cottage gardens, informal gardens, wildlife gardens and flower borders and beds.
About
Spiraea densiflora subsp. densiflora is a deciduous shrub within the Rosaceae family, known for its bushy, suckering habit. Like other Spiraea, it features simple leaves and produces clusters of small, five-petaled flowers in spring and summer. This cultivar thrives in full sun or partial shade and adapts well to a variety of soil types, including chalk, clay, loam, and sand, with a preference for moist but well-drained conditions. It is hardy to UK zone H6 and is suitable for mixed borders, cottage gardens, and wildlife-friendly planting schemes.
Growing conditions
Best soil and position for Spiraea
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
Spiraea densiflora subsp. densiflora size, habit and characteristics
- Plant type
- Shrubs
- Habit
- Bushy, Suckering
- Foliage
- Deciduous
- Suggested uses
- Mixed borders, Shrub borders, Cottage gardens, Informal gardens, Wildlife gardens, Flower borders and beds
Care notes
Pruning and caring for Spiraea densiflora subsp. densiflora
- Propagation
- Softwood cuttings, Semi-ripe cuttings, Hardwood cuttings, Seed
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Spiraea densiflora subsp. densiflora?
Spiraea densiflora subsp. densiflora prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Spiraea densiflora subsp. densiflora need?
Spiraea densiflora subsp. densiflora is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained to well-drained.
Is Spiraea densiflora subsp. densiflora hardy in the UK?
Spiraea densiflora subsp. densiflora 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 Spiraea densiflora subsp. densiflora?
Softwood cuttings, Semi-ripe cuttings, Hardwood cuttings, Seed.
More in the Spiraea genus
- Spiraeaspiraea
- Spiraea 'County Park'

- Spiraea 'Golden Carpet'

- Spiraea Snow Storm ('Darsnorm'PBR)

- Spiraea beauverdiana

- Spiraea betulifolia
- Spiraea chamaedryfolia var. pilosa
- Spiraea corymbosaAlleghany meadowsweet
