Iris hollandica white is an elegant summer bloomer that has bright white flowers and a yellow tongue on its falls. Iris hollandica flowers in June-July and grows to about 50-60 cm. The pure white brilliance of this flower provides a lot of pleasure when planted in gardens, along walls, or in a vase. Plant irises in the autumn in full to partial sun. Place the bulbs in the planting hole and cover with 5 cm. soil with a distance between bulbs is 10-15 cm.