Common name: Great willowherb, Codlins and cream, Great hairy willowherb or Hairy willowherb. Scientifci name: Epilobium hirsutum. Family: Onagraceae. Genus: Epilobium. Flowering time: June to September. Flower colour: purple-pink. Height: 2-6' (60-180 cm). Plant type: Perennial.

Great willowherb (Epilobium hirsutum) is a flowering plant in the family Onagraceae. It is a tall, bushy and branching plant. The hairy leaves are 2-12 cm long and 0.5-3.5 cm wide. They have sharply-toothed edges and no stalk. The large flowers have four notched petals, usually 10-16 mm long.