Spiraea x vanhouttei
Van Houtte's spiraea
Flower Color
Description
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
Mature Height
2.5m
Mature Spread
2.5m
Plant Characteristics
Foliage
Deciduous
Growth Habit
Bushy
Growth Speed
Moderate · 0.3 m/yr
Soil Texture
ClaySandLoam
Soil pH
AcidAlkalineNeutral
Soil Moisture
Moist but well-drained
Hardiness (USDA)
Zones 4-8
Flowering Season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Key Features
Generally pest-freeCottage and informal gardenFlower borders and bedsHedging and screens