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Deutzia ( or ) Sunset Western Garden Book, 1995:606–607 is a genus of about 60 species of in the family Hydrangeaceae, native plant to eastern and central Asia (from the Himalayas east to Japan and the Philippines), and Central America and also Europe. By far the highest species diversity is in China, where 50 species occur.
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Deutzias are commonly grown as for their white and pink flowers. Many and hybrids have been selected for garden use, including selections with double flowers. For example, Deutzia × lemoinei is a hybrid of D. gracilis and D. parviflora. The following cultivars and hybrids have gained the Royal Horticultural Society's Award of Garden Merit:-
The temperate deutzias are mostly hardy shrubs from East Asia where winters are dependably frozen; in milder climates, like much of England, the early-flowering species and hybrids are coaxed into premature bloom by mild spells, then spoilt by frost. Alice CoatsCoats (1964) 1992. remarks that deutzias have done better in Edinburgh, on the chilly east coast of Scotland, than in London. A solution in milder climates might be to site deutzia in the garden's most exposed, coldest microclimate, as is often done with early-flowering magnolias.
Identification can be difficult, and in particular, many of the plants in cultivation sold as D. scabra are actually D. crenata (Huxley 1992). The selected hybrid white double "Pride-of-Rochester", already in cultivation in 1881, was originated by the Rochester, New York nurserymen George Ellwanger.
Deutzia scabra is used by joiners in Japan to polish wood.
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