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Like the gladiolus, the dahlia is also known for its bright summer colours.
The only colour not included in its spectrum is blue.
Its array of shapes is extensive as is suggested by the names of the various dahlia groups: pompon, decorative, collar, anemone-flowering, cactus, etc.
Of all the bulbous plants, the dahlia has the longest flowering period of all: several months.
Of the more than 450 hectares planted, most of the tubers find their way to gardens and parks.
A small percentage is grown for cut flower production.
Growers plant cuttings in the spring (May) and harvest saleable tubers in the autumn (Oktober).