Is Butterbur Invasive

White butterbur is an invasive non-native species that is particularly prevalent across the North East of Scotland and causes serious environmental impacts along riparian corridors.

Is butterbur poisonous?

Butterbur products that contain dangerous chemicals called pyrrolizidine alkaloids (PAs) are likely unsafe to use when pregnant or breast-feeding. PAs might cause birth defects and liver damage. Children: Butterbur products that do not contain PAs are possibly safe when taken by mouth appropriately.

How do I identify butterbur?

1. Perennial, herbaceous flowering plant grows to 6 feet.
2. Simple, round to heart-shaped leaves are 1-2 feet across, with dense hairs on the underside.
3. Single leaves grown on hollow, ridged, 3-4 foot stems somewhat similar in appearance to rhubarb.