Overview
Spiraea japonica 'Green Carpet' is a bushy, suckering shrubs in the genus Spiraea, part of the Rosaceae family, with deciduous foliage. Spiraea japonica 'Green Carpet' 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 japonica 'Green Carpet' is a deciduous shrub cultivar of the Spiraea genus, known for its bushy and 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 fertile, well-drained conditions. Hardy to UK zone H6, it suits mixed borders, cottage gardens, and wildlife gardens, offering seasonal interest during the warmer months.
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 japonica 'Green Carpet' 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 japonica 'Green Carpet'
- 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 japonica 'Green Carpet'?
Spiraea japonica 'Green Carpet' prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Spiraea japonica 'Green Carpet' need?
Spiraea japonica 'Green Carpet' 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 japonica 'Green Carpet' hardy in the UK?
Spiraea japonica 'Green Carpet' 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 japonica 'Green Carpet'?
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
