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Arctic Butterbur

Arctic Butterbur

Petasites frigidus

herbaceousβ›… part shadeπŸ’§πŸ’§πŸ’§ high waterZone 3a – Zone 7b

Arctic Butterbur is a cold-hardy perennial with large, heart-shaped leaves and early spring flower clusters that emerge before foliage develops. It thrives in cool, wet habitats and spreads vigorously in suitable conditions.

Overview

Form
Spreading
Growth Rate
moderate
Size
1.5–0.8β€² tall Γ— 2–4β€² wide
Dormancy
deciduous

Tolerances & Soil

none

Flood Tolerance

high
Zone 3aZone 7b
1471013
ColderWarmer
Zone range: Zone 3a to Zone 7b

pH Range

45.9
7.0
3.556.589
pH range: 4 to 5.9

Soil Texture

Medium, Fine

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

Spring

Ground cover

Low spreading plants that carpet the soil.

Succession Role

pioneerearly successional

Native to the United States

Native Range

Arctic and subarctic regions of North America and Eurasia

Native to: Alaska

Function & Care

biomass/mulchdynamic accumulatormedicinal

Establishment & Care

Establishment
easy
Maintenance
low
Propagation
seed, division, root cutting

Companion Planting

Plants well with