THE GROWING WORLD OF DAHLIAS
GIANT-FLOWERED SEMI-CACTUS DAHLIAS
Semi-Cactus dahlias have fully double blooms; the ray florets are usually pointed and revolute for more than 25% and less than 65% of their length and broad at the base and either straight or incurving.
Giant-Flowered Semi-Cactus Dahlias have blooms usually over 10" (254mm) in diameter
Rose Jupiter, giant semi-cactus
The following list includes the varieties listed by the NDS in 2018.
(Lil.) indicates a lilliput dahlia, which is usually less than 15 inches (45cms) in height and with flowers not normally bigger than 2 inch diameter.
(Dw.B.) indicates a dwarf bedding variety which does not normally exceed 24 inches (60cms) in height
C. indicates suitable as a cut flower, ie it has long wiry stems.
E. indictes the variety is suitable for exhibition purposes.
G. indictes suitable for general garden use.
P. indicates the variety is suitable for growing in pots or patio containers.
Some examples of Giant Semi-Cactus
Last updated November 25, 2017
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