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SPIRAEA thunbergii
Commonly known as Baby's breath spiraea
Arching branches and slender leaves. Bowl-shaped white flowers
Further Reading....
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DeciduousSlender, sparsely toothed light-green leaves to 4cm (1½in) long.
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Semi-evergreenKeeps some of its foliage all year, and will drop some leaves as well.
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White
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Height1.5m (5ft)
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Spread2m (6½ft)
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Medium shrubTypically grow to around 4-6 feet in heightDense, bushy shrub with arching branches. Produces flowers in corymbs to 5cm (2in) along the shoots.
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Hardy - very cold winterHardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)
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Full sun
SPIRAEA thunbergii
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Additional FeaturesGood to knowAttractive to insects.Pests & DiseasesNonePlace of originChina, JapanResistant to honey fungusThese plants have little or few problems with honey fungus.
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Flower ShapeBowl-shaped
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HardinessFully hardy
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Leaf marginSerrate
(see photos above) -
Leaf shapeLanceolate
(see photos above) -
Pruning groupPruning group 2Suitable for: Deciduous shrubs and trees that flower in Spring or early Summer on previous year's growth, including plants that produce new growth at or near ground level.
Pruning: Prune flowered shoots to strong buds. Cut back approximately 1/4 of old shoots to the base to promote replacement growth.
When: Annually, after flowering.
RHS groups 2 & 3 -
Seasonal InterestSpring
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Soil ConditionsFertile moist well-drained soil
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WildlifeBee friendlyRabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Spiraea - Growing Guide
1.5m (5ft)
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2m (6½ft) |
Useful extras...

Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00

Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00

Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants.
Perfect used in conjunction with Rootgrow™.
Only £7.50