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Bulbous iris rather than rhizomatous types are probably best known for their unique flower shape comprised of their standards and falls.
Of approximately 380 hectares devoted to their cultivation, by far the most of these varieties are blue.
Nevertheless, there are also extremely lovely white, yellow and bicolour varieties.
Iris are most used for the year-round production of cut flowers.
This is done in the field under warmer conditions and otherwise in greenhouses.
In the Netherlands, flower bulb growers plant their bulbs in the autumn (September/October).
Lifting takes place in the summer (August).