Contents
Description
Petasites Albus, commonly known as White Butterbur, is a perennial herb that belongs to the Asteraceae family. It is native to Europe, Asia, and North America and can grow up to 2 meters tall. The plant has large leaves that can grow up to 50cm in diameter and are heart-shaped with a white undersurface. The flowers, which bloom in early spring, are small and pinkish-white in color. Petasites Albus is known for its medicinal properties and has been used to treat respiratory problems, migraines, and fever.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Petasites |
Appearance
The leaves of Petasites Albus are the most striking feature of the plant. They can grow up to 50cm in diameter and are heart-shaped with a white undersurface. The flowers, which bloom in early spring, are small and pinkish-white in color. The plant can grow up to 2 meters tall and has a rhizomatous root system.
Care Guide
Petasites Albus is a low-maintenance plant that requires minimal care. Here are some tips for taking care of your White Butterbur:
- Water: The plant prefers moist soil but can tolerate short periods of drought. Water regularly but avoid overwatering.
- Fertilization: Fertilizer is not necessary, but you can apply a slow-release fertilizer in the spring if desired.
- Soil: The plant prefers well-draining soil that is rich in organic matter.
- Sunlight: Petasites Albus prefers partial shade but can tolerate full sun in cooler climates.
- Hardiness Zones: Petasites Albus is hardy in USDA zones 4-9.
Common Pests & Diseases
Petasites Albus is relatively pest and disease-free. However, it can be susceptible to leaf spot, powdery mildew, and slugs. To prevent these problems, avoid overhead watering and keep the area around the plant clean and free of debris.
Habitat
Petasites Albus is native to Europe, Asia, and North America and can be found growing in damp woodlands, along streams and riverbanks, and in marshy areas.
Question and Answer
Q: Is Petasites Albus toxic?
A: Yes, the plant contains toxic chemicals that can cause liver damage if ingested in large quantities.
Q: Can Petasites Albus be grown in containers?
A: Yes, the plant can be grown in containers as long as the container is large enough to accommodate the plant’s root system.
Q: Is Petasites Albus invasive?
A: Yes, the plant can be invasive in some areas. It is recommended that you check with your local extension office before planting Petasites Albus.
Q: How do you propagate Petasites Albus?
A: The plant can be propagated by seed or by dividing the rhizomes in the spring or fall.
Related Plants
- Petasites hybridus
- Petasites japonicus
- Petasites palmatus
References
- Dirr, M. A. (2009). Manual of woody landscape plants: Their identification, ornamental characteristics, culture, propagation and uses. Stipes Publishing.
- Flora of North America Editorial Committee. (2006). Flora of North America North of Mexico, Volume 19: Magnoliophyta: Asteridae (in part): Asteraceae, part 3. Oxford University Press.
- Missouri Botanical Garden. (n.d.). Petasites albus. Retrieved from http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=l330
