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
Sanguisorba canadensis var. media
Sanguisorba obtusa
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Deciduous
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)
Danger
N/A
Bloom Color
Pink
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Auburn, Georgia

Minneapolis, Minnesota

Helena, Montana

Ithaca, New York

West Kill, New York

Elizabeth City, North Carolina

Kalama, Washington

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Gardener's Notes:

1
positive
1
neutral
0
negative
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C
West Kill, NY | October 2004 | positive

I am a great fan of sanguisorbas. The cultivar I have is a somewhat darker shade of pink and has been thriving near a gate from my garden...Read More

L
Ithaca, NY (Zone 5b) | October 2004 | neutral

A very tough, unusual plant. I have two in the center of my garden in a rather wet spot. One does extremely well and the other, not qui...Read More

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