Spiraea thunbergii | 1.5 Litre Pot | 10cm - 15cm Height

Price range: £2.52 through £3.22

Common Names

  • Thunberg spiraea

Spiraea thunbergii is a delightful deciduous shrub, gracing UK gardens with a profusion of delicate white flowers in early spring. Its fine foliage adds texture, developing vibrant orange-red autumn colour. This easy-to-grow plant is perfect for borders and attracts pollinators.

467 in stock

£3.22
3 – 9 pieces
£2.99 (7% off)
10 – 24 pieces
£2.52 (22% off)
25+ pieces
3
Spiraea thunbergii
£9.66

Spiraea thunbergii graces UK gardens with its elegant charm, offering a stunning display of delicate white flowers and fine, arching foliage.

This beautiful deciduous shrub brightens the early spring landscape. It brings a welcome flush of crisp white blooms, cascading gracefully along its branches. Its slender leaves add texture, creating a captivating visual appeal. Gardeners often value Spiraea thunbergii for its easy-going nature and consistent performance in various settings. Therefore, it stands as a reliable choice for enhancing any outdoor space.

  • A profusion of delicate white flowers in early spring.
  • Fine, bright green foliage with an elegant, arching habit.
  • Develops attractive orange-red autumn colour.
  • Naturally attracts early garden pollinators, especially bees.
  • Adds beautiful texture and year-round interest to borders.

Unveiling Spiraea Thunbergii

Spiraea thunbergii originates from mountainous regions of Japan and China. The species was named after Carl Peter Thunberg, a renowned Swedish botanist. He explored Japan in the late 18th century. Sometimes gardeners refer to it as Thunberg spiraea. This name honours Thunberg’s significant botanical contributions. Furthermore, it highlights the plant’s unique identity. This shrub develops a pleasing rounded shape, reaching modest dimensions in maturity.

A Cascade of Blooms and Spiraea Foliage

This delightful spiraea presents a spectacular floral show. Small, pure white, five-petalled flowers appear in clusters. They completely cover the slender, arching branches before the leaves fully emerge. This creates a dazzling effect in April and May, heralding spring’s arrival. Following this display, its vibrant green foliage unfurls. The narrow, lance-shaped leaves provide a feathery texture throughout summer. Come autumn, these leaves transition beautifully. They display rich shades of orange, bronze, and red, adding warmth to the garden.

Perfect for the UK Garden

Spiraea thunbergii integrates seamlessly into many garden styles. Plant it within mixed borders to add structure and early season interest. It also works well as a low, informal hedge or mass planted for a dramatic effect. Its graceful form makes it a lovely specimen plant too. Pruning helps maintain its attractive shape. Always prune after flowering, removing old wood to encourage vigorous new growth. This spiraea is also beneficial for wildlife. Its early blooms provide a valuable nectar source for emerging bees and other pollinators. Consequently, it supports biodiversity in your garden.

Max Height 1.50 at maturity
Max Spread 1.50 at maturity
Growth Rate Average
Average growth
Position
Full Sun Partial Sun
Soil Type
Clay Sandy Loam Chalk
H6 H6 – Hardy in severe conditions

Very hardy. Tolerates temperatures typical of a continental winter.

−25°C +15°C
Typical minimum: -20°C to -15°C

Care Notes

Ensure well-drained soil. Water regularly during establishment. Prune immediately after flowering to maintain shape and encourage new growth. Apply a balanced fertiliser annually in spring.

Important Note

This plant is deciduous so it will lose all of its leaves in the autumn and get fresh new foliage each spring.