Intermediate Bearded Iris (IB)
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Intermediate bearded iris are those which fall between the dwarf and tall bearded iris in both stature and season of bloom, which in much of the UK, is from early May to the beginning of June. The height of the flowering stems is between 40-68cm (16” and 27”), with the majority being 50-61cm (20” to 24”) tall. The IB plants are generally compact and vigorous, making them ideal subjects for the front of the sunny border. Their season of bloom, coming as it does as the tulips and the majority of spring bulbs are going over, and before the summer flowering starts, makes them a perfect link between spring and summer. The colour range is now similar to that displayed by tall bearded iris, with the additional advantage in many cases of having “thumb-print” marks on the falls, which creates a further dimension to their beauty. Their short stature makes them ideal for windy sites, as they do not blow over, and hence do not require staking.
Cy Bartlett
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