Poterium Species, Japanese Burnet
Poteriumobtusum

Family: Rosaceae (ro-ZAY-see-ee)
Genus: Poterium (pot-ER-ee-um)
Species: obtusum (ob-TOO-sum)

Synonym:Sanguisorba argutidens

Synonym:Sanguisorba canadensis var. media

Synonym:Sanguisorba obtusa

Category
Perennials

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

Sun Exposure
Sun to Partial Shade

Foliage
Grown for foliage
Deciduous

Foliage Color

Height
24-36 in. (60-90 cm)

Spacing
18-24 in. (45-60 cm)

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)
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
Can be grown as an annual

Danger
N/A

Bloom Color
Pink

Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Mid Summer
Late Summer/Early Fall

Other details

Soil pH requirements

Patent Information
Non-patented

Propagation Methods
By dividing the rootball

Seed Collecting