Petasites Species, Arctic Sweet Coltsfoot, Arctic Sweet Butterbur

Petasitesfrigidus var. palmatus

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Petasites (pet-uh-SY-tees)
Synonym
Petasites articus
Petasites palmatus
Petasites speciosus
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Grown for foliage
Herbaceous
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 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
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:

Crescent City, California

Portland, Oregon

Featured Videos

Gardener's Notes:

0
positive
0
neutral
0
negative
Sort By:
Sort By:
Featured
Enamelled Spider
(Araneus bradleyi)
Great Blue Heron
(Ardea herodias)
Featured
Enamelled Spider
(Araneus bradleyi)
Great Blue Heron
(Ardea herodias)