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Rosaceae
Trees and shrubs
Thunberg's spirea
Hardiness
Zone 4
Discover the plant
Family
Rosaceae
Spiraea thunbergii, commonly known as Thunberg's spiraea, is a deciduous shrub with a graceful, finely branched, and slightly arching habit, renowned for its very early and abundant flowering. From early spring, before or as its foliage appears, its branches are covered with a multitude of small, pure white flowers arranged along the stems, creating a spectacular cloud-like effect. Its narrow, linear foliage, light green in spring then medium green in summer, turns beautiful orange-yellow to coppery-red hues in autumn. Light and elegant, Spiraea thunbergii is ideal for mass planting, informal hedges, or naturalized plantings. Undemanding, it prefers well-drained soil and a sunny exposure to ensure optimal flowering and vigorous growth.
Soil and care
The rightconditions.
Fertilization
Slow-release fertilizer 14-7-14 or 4-2-8. Fertilize monthly or as directed on the bag. Add Myke at planting.
Bloom and dimensions
The completeprofile.
Bloom periodSpring
Flower colorWhite
Foliage colorGreen
Foliage typeObsolete
FruitingSmall, dry capsules of no ornamental interest
Maximum height1 to 1.2 m (39 to 48 inches)
Maximum width1.2 m (4 feet)
Growth ratefast
Hardiness zoneZone 4
Minimum temperature'-40°C
Its strengths, naturally.
Safe for pets
Pets
Attracts or supports pollinating insects
Pollinators
Plants that attract butterflies
Butterflies
