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Dahlia pinnata is a perennial herbaceous plant with a rhizome and tuberous roots, reaching a height of 70 to 120 centimetres (28 to 47 inches), rarely 160 cm. The stem is erect, and branched only in the inflorescence. The leaves are usually simple, with leaflets that are ovate and 5–10 centimetres (2–4 in) long. The plant is slightly shaggy.
The first plant was called Dahlia pinnata after its pinnate foliage; the second, Dahlia rosea for its rose-purple color. In 1796, from the parts sent by Cervantes, Cavanilles flowered a third plant, which he named Dahlia coccinea for its scarlet color. In 1798, Cavanilles sent D. pinnata seeds to Parma, Italy.
When to Plant Dahlia Tubers. Dahlia tubers can be planted in your garden once all danger of frost has passed, and soil temperatures are at least 55 to 60 degrees Fahrenheit. “Dahlia tubers will ...
There are 42 accepted species of flowering plants in the genus Dahlia, according to The Plant List. [1] The sectional classification of Dahlia sensu Sørensen (1969) [ 2 ] as updated by Saar et al. (2003) [ 3 ] and Hansen (2004) [ 4 ] and (2008) [ 5 ] is as follows (excluding infraspecific taxa);
Dalea is a genus of flowering plants in the legume family, Fabaceae. Members of the genus are commonly known as prairie clover [2] or indigo bush. [3] Its name honors English apothecary Samuel Dale (1659–1739). [4] They are native to the Western hemisphere, where they are distributed from Canada to Argentina. [5]
The plant was first bred by Fred Treseder, a Cardiff nurseryman. [2] It was selected by and named to honour Joshua Pritchard Hughes, Bishop of Llandaff, in 1924 and won the RHS Award of Garden Merit in 1928. The plant is about 1 m tall and flowers from June until September.