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Dutch Iris   arrow

Iris hollandica

Dutch Iris
Scientific NameIris hollandica
Common NameDutch Iris
HabitHerbaceous Perennial Flower
Growth FormGrowing from a bulb. Leaves strap-like, overlapping at base, oriented in one plane.
Mature SizeHeight: 20″ Width: 4″
FlowersVaries by cultivar. Bloom Time: Summer. 6-parted with 3 outer spreading or pendent “falls” and 3 inner erect “standards”, fruit a capsule.
HardinessZones 6-9, 5 if winter mulch protected
Sun RequirementsFull Sun
Water RequirementsEstablished Iris are drought resistant. New Iris need 1″ water weekly.
Soil RequirementsWell amended, well drained soil. Clay Soils, Loam Soils. Soil PH: Acid.
Other InfoLeave the foliage until it dies after the bloom.
Additional PhotosDutch Iris