Japanese Butterbur

Petasites japonicus 'Giganteus'

Japanese Butterbur
Japanese Butterbur Japanese Butterbur Japanese Butterbur Japanese Butterbur

Japanese butterbur is a member of the daisy family. It produces blooms in late winter, before any foliage appears. Clusters of yellow-green blooms, more bizarre than beautiful, push from the soil in March like some odd botanical snow-cone. The plants are dioecious so these vegetatively propagated plants won't make seeds without a member of the opposite sex present. It's good that the Japanese butterbur does not produce seeds, because this is a plant that spreads well enough without them. It typically grows in moist alluvial sites in full sun or partial shade. It produces a network of pencil-sized rhizomes that spread in all directions from the original plant. It begins to colonize an extensive area after its second or third year.

Growing & Maintenance Tips:

Because of its tendency to run, the Japanese butterbur should be planted where its spread can be closely monitored, or where it can be allowed to roam more or less at will.

Flower Color

Yellow-green

Foliage Color

Green

Plant Spread

3-4'

Plant Height

3-4'

Hardness Zone

5-9

Good Companions

Characteristics & Attributes

Attributes

Bloom Time

Early Spring

Critter Resistance


Exposure

Part to full sun

Growth Rate


Seasonal Interests


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