Sheffield Botanical Gardens Diervilla

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The Genus Diervilla (Caprifoliaceae)

The genus is named after a Dr. Dierville, a French surgeon who travelled in North America in the early 18th century. This is a small genus of 3 species of hardy, deciduous suckering shrubs native to N. America. Previously grouped with plants now known as Weigela, the two genera are easily distinguished from each other.

In Diervilla the flowers are two-lipped, invariably yellow, and

borne on the current season's growth, whereas in Weigela the corolla is regular, (not two-lipped) and the flowers are borne on short lateral twigs on the growth of the previous year.

Cultivation
Diervilla will grow in full sun or partial shade in fertile soil. They should be pruned back in spring before growth commences, when they will send up a dense mass of shoots that will blossom during summer.


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This page updated on 26 November 2008. This site updated on 21 July 2011.