Thunberg Spirea, Thunberg's Meadowsweet
Spiraeathunbergii 'Mt. Fuji'

Family: Rosaceae (ro-ZAY-see-ee)
Genus: Spiraea (spy-REE-ah)
Species: thunbergii (thun-BERG-ee-eye)
Cultivar: Mt. Fuji

Category
Shrubs

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Grown for foliage
Deciduous
Good Fall Color

Foliage Color

Height
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Spacing
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Hardiness
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Danger

Bloom Color
White/Near White

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Late Winter/Early Spring

Other details

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

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