Dahlia Timeline

1806

John Wedgewood grows Dahlia plants for the first time.

Richard Salisbury (1761 – 1829) receives Dahlia seed from Lady Holland’s garden.

John Wedgewood (1766 – 1844) founder of the Royal Horticultural Society, grows Dahlia plants for the first time.

1808

Cultivation Methods are Documented

Richard Salisbury writes for the Horticultural Society (Later the Royal Horticultural Society) on the different species of Dahlia and the best method of cultivation in Great Britain.

John Wedgewood, founder of the R.H.S, writes about his achievements at growing Dahlias in Staffordshire for the Horticultural Society (Later the R.H.S).

1818

First Exhibition in Scotland

First recorded exhibiting of dahlias in Scotland, receiving Silver Medal.

1874

Dahlia juarezii Named

Dahlia Yuarezii

Van der Berg catalogued a new dahlia for sale, calling it Dahlia juarezii to honor Mexican President Benito Pablo Juarez, who had died the year before.

1969

“Revision of the Genus Dahlia Asteraceae: Heliantheae-Coreopsidinae” Published

Paul D Sørensen, published in Rhodora, “Revision of the Genus Dahlia Asteraceae: Heliantheae-Coreopsidinae”.

1995

Six Species Added

Dahlia Hjertingii

Dahlia Spectabilis

Jen P.Hjerting, Paul Sørensen & Dayle Saar jointly travel through Mexico collecting species Dahlias and add six more species to the list, Dahlia campanulata, Dahlia neglecta, Dahlia hjertingii, Dahlia cuspidata, Dahlia spectabillis, Dahlia parvibracteata.

See Species Dahlias.