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Summary
Physical Characteristics
Spiraea japonica is a deciduous Shrub growing to 1.5 m (5ft).
See above for USDA hardiness. It is hardy to UK zone 5. It is in flower from August to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
S. albiflora.
Plant Habitats
Woodland Garden Sunny Edge; Dappled Shade; Shady Edge; Ground Cover; Hedge;
Edible Uses
References More on Edible Uses
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
None known
References More on Medicinal Uses
Other Uses
Hedge Hedge
Plants can be grown as a low hedge, the cultivar 'Albiflora' has been especially mentioned[29]. 'Bumalda' has also been recommended[200]. Plants can be grown as a ground cover when planted about 1.2 metres apart each way[208].
Special Uses
Ground cover Hedge Hedge
References More on Other Uses
Cultivation details
Tolerates most soils[200], but prefers a good loamy soil, abundant moisture and full sunlight[11, 200]. Succeeds in part shade[184]. Hardy to about -20°c[184]. A polymorphic species[1], it hybridizes freely with other members of this genus[11]. A very ornamental plant, there are many named varieties[182].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
Plant Propagation
Seed - we have no information for this species but suggest sowing the seed as soon as it is ripe in a cold frame if possible. It is likely to require stratification before it germinates, so stored seed should be sown in a cold frame as early in the year as you receive it. Prick out the seedlings into individual pots when they are large enough to handle, and grow them on in a cold frame for their first winter. Plant them out in late spring or early summer of the following year. Cuttings of half-ripe wood, July/August in a light sandy soil a frame. Cuttings of mature wood of the current seasons growth, 15cm long, October/November in an outdoor frame[200]. Another report says that September is a good time to do this[11]. Division of suckers in early spring[200]. They can be planted out straight into their permanent positions.
Other Names
If available other names are mentioned here
Native Range
TEMPERATE ASIA: China (Anhui Sheng, Fujian Sheng, Gansu Sheng, Guangdong Sheng, Guangxi Zhuangzu Zizhiqu, Guizhou Sheng, Henan Sheng, Hubei Sheng, Hunan Sheng, Jiangsu Sheng, Jiangxi Sheng, Shaanxi Sheng, Shandong Sheng, Sichuan Sheng, Xizang Zizhiqu, Yunnan Sheng, Zhejiang Sheng), Korea, Japan (Honshu, Kyushu, Shikoku)
Weed Potential
Right plant wrong place. We are currently updating this section.
Please note that a plant may be invasive in one area but may not
in your area so it's worth checking.
Conservation Status
IUCN Red List of Threatened Plants Status :
IUCN Red List
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
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Expert comment
Author
L.f.
Botanical References
1158200
Links / References
For a list of references used on this page please go here
Readers comment
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Subject : Spiraea japonica
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