Japanese Spirea, Japanese Meadowsweet, Maybush
Spiraea japonica

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Spiraea (spy-REE-ah) (Info)
Species: japonica (juh-PON-ih-kuh) (Info)

Category:

Shrubs

Height:

36-48 in. (90-120 cm)

Spacing:

4-6 ft. (1.2-1.8 m)

Hardiness:

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

Danger:

Unknown - Tell us

Bloom Color:

Pink

Red

White/Near White

Bloom Time:

Mid Summer

Late Summer/Early Fall

Foliage:

Grown for foliage

Deciduous

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:

Non-patented

Propagation Methods:

By dividing the rootball

From softwood cuttings

From hardwood cuttings

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

From seed; stratify if sowing indoors

By simple layering

By stooling or mound layering

Seed Collecting:

Bag seedheads to capture ripening seed

Allow pods to dry on plant; break open to collect seeds

Regional

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

Denver, Colorado

Interlachen, Florida

Gurnee, Illinois

Nantucket, Massachusetts

New Providence, New Jersey

Columbia, South Carolina

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Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On May 21, 2002, DAVEFORBES from NOTTINGHAM
United Kingdom wrote:

An easy to grow shrub which reaches 4 feet after 3 years. Attracts bees and butterflies. Long lasting pink, blue and white flowers.