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Spiraea trilobata

Dense compact, deciduous, small shrub about 1-1.2m tall, with arching stems and coarsely toothed blue-green leaves. White flowers in crowded clusters are produced on the previous years stems in early summer

Size
Ultimate height
1–1.5 metres
Time to ultimate height
5–10 years
Ultimate spread
1–1.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green
Summer White Blue Green
Autumn Blue Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Rosaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

Spiraea are deciduous shrubs, sometimes suckering, with simple leaves and short racemes, panicles or corymbs of small, 5-petalled white or pink flowers in spring or summer

Name status

Correct

How to grow

Cultivation

Grow in moist but well-drained soil in full sun or light shade

Propagation

Propagate by softwood or semi-ripe cuttings in spring to late summer or hardwood cuttings in winter

Suggested planting locations and garden types
  • Coastal
  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds
Pruning

Pruning group 2 for spiraeas flowering on previous years stems, in summer after flowering

Pests

Generally pest-free

Diseases

Generally disease-free but may be susceptible to honey fungus

Get involved

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