The leaves are 5-15 cm long, ovate-oblong with an acuminate tip, and with a serrated margin. The flowers are 2-4 cm long, with a five-lobed white, pink, or red (rarely yellow) corolla, produced in small corymbs of several together in early summer. The fruit is a dry capsule containing numerous small winged seeds.
The genus is named after the German scientist Christian Ehrenfried Weigel.
The British Weigela national collection is held at Sheffield Botanical Gardens; along with the national collection of the closely related Diervilla genus. The german Weigela national collection is held at Sichtungsgarten Weigela in Buckow, Maerkische Schweiz Species: