Plant Type: Perennials

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.

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