Photo by Melody

PlantFiles: Japanese Spirea, Japanese Meadowsweet, Maybush
Spiraea japonica 'Alpina'

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Spiraea (spy-REE-ah) (Info)
Species: japonica (juh-PON-ih-kuh) (Info)
Cultivar: Alpina
Additional cultivar information: (aka Nana)

Synonym:Spiraea japonica var. alpina

One vendor has this plant for sale.

One member has or wants this plant for trade.


18-24 in. (45-60 cm)

36-48 in. (90-120 cm)

USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Sun to Partial Shade

Unknown - Tell us

Bloom Color:
Pale Pink

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
May be a noxious weed or invasive
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball
From softwood cuttings
From hardwood cuttings
By simple layering
By stooling or mound layering

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By CaptMicha
Thumbnail #1 of Spiraea japonica by CaptMicha

By mygardens
Thumbnail #2 of Spiraea japonica by mygardens

By mygardens
Thumbnail #3 of Spiraea japonica by mygardens

By mygardens
Thumbnail #4 of Spiraea japonica by mygardens


1 positive
1 neutral
No negatives

Gardeners' Notes:

Positive mygardens On Aug 25, 2009, mygardens from Croton-on-Hudson, NY (Zone 6b) wrote:

Our Alpina was a mature plant when we moved to this house 15 years ago. It has never grown over 15 inches tall. I do find new spirea in other parts of the garden, but they are not a problem to move or remove. However, they are not true to seed.The flower looks similar, but the new plants grow to at least 3 feet. Many of the spirea can be confused with each other, but this one has a small oval leaf that is about 1 1/8" long by 3/4" wide. It works well as a low mass in a flower bed.

Neutral tcfromky On Oct 16, 2004, tcfromky from Mercer, PA (Zone 5a) wrote:

This plant is very adaptable to many soil types. All spireas all have small leaves and fine, twiggy branches and this one is no different. Once established, they are drought tolerant.

Flowers are light pink. This shrub prefers sun to filtered sunny conditions.


This plant has been said to grow in the following regions:

Greenville, Indiana
Saint Cloud, Minnesota
Croton On Hudson, New York

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