Spiraea,Thunberg's Meadowsweet, Thunberg Spirea
Spiraeathunbergii 'Ogon'

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

Category
Shrubs

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

Sun Exposure
Full Sun

Foliage
Grown for foliage
Deciduous

Foliage Color
Chartreuse/Yellow

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
Grow outdoors year-round in hardiness zone

Danger
N/A

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
Non-patented

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