Spiraea × vanhouttei
Van Houtte's spiraea
Vigorous semi-evergreen shrub about 2m tall, with arching branches and diamond-shaped, coarsely toothed, dark green leaves, blue-green beneath. Bowl-shaped white flowers in dense clusters to 5cm across, appear along the branches in early summer
Size
Ultimate height
1.5–2.5 metresTime to ultimate height
5–10 yearsUltimate spread
1.5–2.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | White | Green | ||
Autumn | Green | |||
Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Rosaceae
- Native to GB / Ireland
- 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
- Cottage and informal garden
- Flower borders and beds
- Hedging and screens
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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