Japanese meadowsweet is a deciduous shrub, 1.2 to 2 m tall, with rosy-pink flower clusters at the branch tips, grown widely as a hedge, screen or border plant. It is undemanding and tolerates a range of conditions, with full sun giving the best flowering.
Family
Rosaceae (Rose family)
Grows as
Shrub
Light
Full sun, Part shade
Water
Water regularly while establishing, then water during dry spells; it tolerates moderate moisture.
Soil
Average garden soil, moist but well drained; tolerant of many soil types.
Temperature
Hardy in cold winters; suited to temperate climates, around -25 °C or colder when dormant.
How easy
Easy
Safety
Not known to be toxic
Native range
China to N. Myanmar, C. & S. Japan, Taiwan
Climate
temperate
About
Spiraea japonica, the Japanese meadowsweet or Japanese spiraea, is a plant in the family Rosaceae.
Synonyms for the species name are Spiraea bumalda Burv. and Spiraea japonica var. alpina Maxim.
Where it grows
Spiraea japonica is a deciduous, perennial shrub native to Japan, China, and Korea. Southwest China is the center for biodiversity of the species. It is naturalized throughout much of the Northeast, Southeast, and Midwest areas of the United States, and parts of Canada.
Uses
Spiraea japonica was introduced in North America as an ornamental landscape plant and first cultivated in the northeastern states around 1870.
[Contains information from Leaf Area Index (LAI) and Heritage Trees from data.gov.sg (National Parks Board), made available under the terms of the Singapore Open Data Licence version 1.0]
Text excerpted from the Wikipedia article Spiraea japonica by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.