Category Archives: Biennial Weeds

Biennial weeds have a two year life cycle. Growing from seed and maturing during the first year, they then overwinter and produce flowers and set seed in the second year.
Biennial weeds are less of a problem on well maintained lawns due to their long life cycle. Although they can become a problem on less well-maintained lawns

Ragwort (Jacobaea vulgaris)

Ragwort rosette

Ragwort is a reasonably common weed seen on many lawns across Devon. The latin name is Jacobaea vulgaris (syn. Senecio jacobaea). Jacobaea is the family of plants to which it belongs (which is within the tribe Senecioneae) and vulgaris literally means “common”. It is also called stinking willie, ragweed or ragged weed. The latter probably came about due to… Read More »