White butterbur (Petasites albus) is an herbaceous perennial with rounded fan-shaped leaves that form dense mats. It produces tall stalks with clusters of white flowers that bloom from winter to spring. It prefers damp soils and is commonly found growing wild in deciduous forests and along streams and canals. Spreads by underground rhizome roots and can be invasive.
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Perennial
Lifespan
Herb
Plant Type
Spring
Bloom Time
White, Yellow, Green
Flower Color
Deciduous
Leaf type
5 - 32 ℃
Ideal Temperature
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Distribution
Toxicity
Care Guide
FAQs
Common Diseases
Images of White butterbur
Distribution of White butterbur
Distribution Map
White butterbur is a plant with a broad native distribution that spans across parts of Europe and Western Asia. It is also introduced and cultivated in various regions often characterized by temperate climates, extending its presence beyond its native range. The plant thrives in its natural habitat as well as in introduced areas where it has been cultivated.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
Waste ground, roadsides, plantations, woods
Toxicity
White butterbur contains pyrrolizidine alkaloids, causing mild toxicity in humans if ingested. All parts of the plant can lead to symptoms like gastrointestinal distress, liver damage, fatigue, and jaundice. Avoid accidental consumption, as the plant is not typically used for culinary purposes.
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Water:
White butterbur, native to European wetlands, prefers consistently moist soil and high humidity. Water weekly to simulate natural conditions. As an herbaceous perennial, it thrives outdoors, benefiting from natural rainfall, which supports its growth during the active growing season.
Fertilize:
For white butterbur, use a balanced nutrition fertilizer monthly in spring/summer with half-strength solutions, reducing to every 6-8 weeks in fall/winter. Avoid over-fertilization to prevent root burn, and adjust feeding based on seasonal growth for optimal vitality.
Pruning:
Prune white butterbur in early to late spring to remove old foliage, promoting healthy growth and disease prevention. Cut back after blooming to control spread and discourage seed dispersion. Proper pruning enhances vigor, appearance, air circulation, and sunlight penetration.
Propagation:
White butterbur is a perennial herb from the Petasitidae subtribe, known for its rapid colonization. Propagation is typically achieved by dividing rhizomes in spring or autumn, ensuring each section has a growth bud. Proper care and site selection can lead to vigorous growth.
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