Spiraea japonica
Japanese Spirea

 Plant Type:
 Growth Forms:
 Hardiness:
 Deciduous / Evergreen:
 Flower Notes:
Multi-Colored (White to deep pink, flat-topped flower clusters; June through August)
 Foliage Notes:
Red (Reddish to pinkish new growth in the spring); Green (Summer foliage); Copper (Copper-orange is a typical fall foliage color (sometimes reddish), but is seldom outstanding)
 Fruit Notes:
Brown (Dry follicle; not ornamentally important)
 Ultimate Height:
4-5 feet
 Ultimate Spread:
4-5 feet
 Soil Notes:
Widely adapted to soils, but best with adequate moisture and a pH of 6.0-7.5
 Range:
Japan, Korea, and northern China
 Diagnostic Characteristics:
Simple, alternate, 1-3" long, lanceolate leaves, are sharply and doubly serrate, and more pale green underneath. Stems are narrow and slightly angled. Difficult to distinguish from S. x bumalda.

Additional Information

Flowers heavily in June (on new growth) and then continues intermittently through August. Annual pruning results in better foliage and flower effect. Tolerant of widely different soils and exposures, but tends to do best in full sun with adequate moisture and a pH of 6.0-7.5. Avoid very wet sites.

2 Spiraea japonica found

Building Map...

Loading...
= Heritage plant = Memorial plant
Number Accession ID Location
12009_05203*ATEL
22024_00115*AWILY

Other plants like this Spiraea japonica (Japanese Spirea)

The Purdue Arboretum is a collaboration between the Department of Horticulture and Landscape Architecture and Physical Facilities Grounds Department

Purdue Arboretum, 625 Agriculture Mall Dr, West Lafayette, IN, 47907
© 2025 Purdue University | An equal access/equal opportunity university | Integrity Statement | Copyright Complaints | Maintained by the Purdue Arboretum
Contact Purdue Arboretum at arboretum@purdue.edu for accessibility issues with this page | Accessibility Resources | Contact Us