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Common Butterbur

Petasites hybridus

Also known as Butterbur, Pestilence Wort, Bog-rhubarb

herbaceous⛅ part shade💧💧💧 high water❄ Hardy: Zone 4a – Zone 8b

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A vigorous perennial with large, heart-shaped leaves that emerge after its early spring flower spikes. Best suited to wet areas and woodland margins where it can spread freely.

Why grow it

Butterbur offers early spring interest through its distinctive flower spikes, which emerge before most woodland understory plants. Its large leaves provide substantial ground coverage in persistently wet or boggy sites where fewer perennials thrive, making it useful for stabilizing wet margins and reducing bare soil. Compared to other moisture-loving perennials, butterbur tolerates shade well and establishes quickly in appropriate conditions.

Watch out for

This plant spreads vigorously through rhizomes and can be difficult to contain once established; placement away from cultivated garden beds is advisable. The foliage emerges late in spring after flowering, leaving bare ground in early season. Butterbur requires consistent moisture and performs poorly in dry soils, so site selection in truly wet areas is essential to its success.

Overview

Form
Spreading
Growth Rate
fast
Size
2–4′ tall × 3–6′ wide
Dormancy
deciduous
Family
Asteraceae
EdibleMedicinalDynamic accumulatorPollinators & beneficial insects

Native Range

Central Europe and temperate Asia

Seasonality

Bloom Season

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

Harvest Season

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

Edible Parts

leafrootshoot

Season of Interest

Spring

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Companion Planting

Plants well with