Iris hollandica
 
The Dutch Iris Rainbow Mixture is superb for both garden displays and cut flower bouquets. Dutch Iris are one of the most highly used flowers in late spring and early summer floral arrangements. This stunning mixture includes purple, lavender, blue, yellow and white varieties.
 
Bulb size: 8 cm/up  Bloom: May/June  Zone: 5-8  Height: 18" to 22"