Petasites Species, Bog Rhubarb, Common Butterbur, Devil's Hat, Pestilence Wort

Petasiteshybridus

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Petasites (pet-uh-SY-tees)
Species
hybridus (hy-BRID-us)
Synonym
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Grown for foliage
Deciduous
Herbaceous
Height
36-48 in. (90-120 cm)
Spacing
36-48 in. (90-120 cm)
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)
Bloom Color
Pale Pink
Pink
Rose/Mauve
Magenta (pink-purple)
White/Near White
Bloom Time
Late Winter/Early Spring
Mid Spring
Other Details
Category
Groundcovers
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Propagation Methods
By dividing the rootball
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

New Britain, Connecticut

Greenwell Springs, Louisiana

Plymouth, Massachusetts

Ann Arbor, Michigan

Mahwah, New Jersey

Southampton, New York

West Kill, New York

Portland, Oregon

West Grove, Pennsylvania

Lindon, Utah

Plainfield, Vermont

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Gardener's Notes:

0
positive
0
neutral
1
negative
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Plainfield, VT | June 2013 | negative

This plant was put in behind my pond as an ornamental and is now invasive, growing into my neighbor's field and steam as well as into my ...Read More

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