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Rosaceae
Trees and shrubs
Japanese spirea 'Shirobana'
Hardiness
Zone 3
Discover the plant
Family
Rosaceae
Spiraea japonica ‘Shirobana’, also known as the tricolor spirea, is a remarkable summer variety known for its unique bicolored flowering. This deciduous shrub develops a compact and rounded habit, slightly wider than it is tall, ideal for borders, mass plantings, and foundation plantings. In summer, its corymbs simultaneously display white, pink, and dark pink flowers on the same plant, creating a dynamic and original decorative effect. Its finely toothed medium green foliage offers good density and highlights the abundant blooms. Easy to care for and very hardy, Spiraea japonica ‘Shirobana’ prefers well-drained soil and a sunny exposure to maximize flowering. It is an excellent choice for bringing color, contrast, and lightness to Nordic landscape designs.
Soil and care
The right conditions.
Hardiness zone
Zone 3
Minimum temperature
'-40°C
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 complete profile.
Flower color
White and pink
Foliage color
Green
Foliage type
Obsolete
Growth rate
fast
Bloom period
Summer
Fruiting
Uncommon brown capsules.
Maximum height
60 to 80 cm (24 to 31 inches)
Maximum width
1.2 m (4 feet)
Its strengths, naturally.
Safe for pets
Pets
Attracts or supports pollinating insects
Pollinators
Plants that attract butterflies
Butterflies
Less attractive or generally tolerated by deer
Deer
