Long and lanceolate, green sometimes with a flush of red or a red leaf base. The leaves of Rosebay Willowherb are unique in that the veins are circular and do not terminate at the leaf edges but form circular loops and join together. This can help with identification before the flowers appear.

What does Willowherb look like?

Rosebay willowherb is a tall plant with pink flowers rising up a flower spike. It has lance-like leaves that are arranged in spiral formation up its stem.

Is Fireweed the same as Willowherb?

Chamaenerion angustifolium is a perennial herbaceous flowering plant in the willowherb family Onagraceae. It is known in North America as fireweed, in some parts of Canada as great willowherb, in Britain and Ireland as rosebay willowherb.