
Appearance
''Iris'' × ''hollandica'' has a bulb of about 10 centimetres and can reach a height of about 60 centimetres. This bulbous iris has narrow linear green leaves and bears largish blue to yellow to white flowers. They do not have any fragrance. They mainly bloom in May–June in the northern hemisphere, and in September–October in the southern hemisphere.
Status
Because the bulb could be forced in a greenhouse to flower early, it was popular with florists. Since the 1900s it has been crossed with other species to create various cultivars. After the Second World War, stocks of bulbs were imported to America. They then increased the colour range mainly the yellows.References:
Some text fragments are auto parsed from Wikipedia.