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The official register is The International Register of Dahlia Names 1969 (1995 reprint) which is updated by annual supplements. The original 1969 registry published about 14,000 cultivars adding a further 1700 by 1986 and in 2003 there were 18,000. [23]
Many dahlia pinnata types can grow from seeds but more often they are cultivated by division of the tuberous roots or by stem cuttings. Providing the flower with some kind of plant food (mulch, growing media, nutrient food, etc.) can really make the dahlia healthier and more likely to survive. [9]
Dahlia coccinea is a species of flowering plant in the daisy family Asteraceae. Its common name is red dahlia , although the flowers can be orange or occasionally yellow, as well as the more common red.
Dahlia is a feminine given name derived from the name for the flower, which was named in honor of the Swedish botanist Anders Dahl. His surname is of Germanic origin and refers to a person who lived in a valley .
Scientific Name Chromosome Count Distribution D. campanulata Saar, Sørensen, & Hjerting: 2n = 32: Mexico (Guerrero and Oaxaca) D. excelsa Bentham : 2n = 32: Mexico D. imperialis Rozel ex Ortgies: 2n = 32: Mexico, Belize, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, Panama and south into Colombia and Ecuador D. tenuicaulis Sørensen ...
Dahlia 'Babylon Bronze' is a branching, tuberous tender perennial cultivar with fully double orange blossoms. The flowers are as large as 8-10 in. wide (20–25 cm). This Dahlia belongs to the Decorative Dahlia classification and was introduced in the Netherlands by Fa Van Slageren in 1995.
'Moonfire' (VanDusen Botanical Garden, Stan Shebs)The following is a list of dahlia cultivars which have gained the Royal Horticultural Society's Award of Garden Merit.They are tuberous perennials, originally from South America, with showy daisy-like composite flowerheads in all shades and combinations of white, yellow, orange, pink and red, flowering in late summer and autumn (fall).
It is native to Mexico, Belize, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, Panama and south into Colombia and Ecuador.It is a plant of the uplands, mainly found in the foothills of subtropical or tropical mountains (above the humidity of the lower forests), at elevations around 1,500–1,700 m (4,900–5,600 ft).