Nodding Onion Gardens

Native Plant Nursery

Where Wildflowers Grow

Columbia Station, Ohio, USA

 

Iris versicolor - Northern Blue Flag

Ohio Native Plant - Natural Range

Iris versicolor


To view the natural range of Blue Flag Iris visit the USDA Natural Resource Conservation Service site

Wildlife Significance
Attracts - Hummingbirds

Pollinated - Bumblebees, and long-horned bees

Nectar - Skippers and butterflies
Insects - Larva from numerous insects including Syrphid fly feed on Blue Flag Iris

Poisonous - Mammals leave plant alone due to mild toxicity

Details - For more information on Northern Blue Flag Iris visit the Iris virginica shrevie page of the on the Illinois Wildflower site. The Northern Iris's natural range is further north than the Iris  shrevie, which is also known as the Southern Blue Flag Iris.


Blue Flag Iris seed - Nodding Onion Gardens
Blue Flag Iris seed - Nodding Onion Gardens

Propagation Notes

Blue Flag Iris

Collect Seed - Late in the fall after pod has turned brown. It is important not to hurry this stage or seed will not be mature
Jim Wohl - Blue Flag Iris
Jim Wohl - Blue Flag Iris

Cultivation Information

Blue Flag Iris


Height - 3 ft
Flower Color
- Violet
Blooms - May - July
Sun - Sun - part sun

Hardy Zone -

Soil - Moist

Suitable for - Rain Gardens
 
Family - Iridaceae
Iris versicolor ready to bloom
Iris versicolor ready to bloom
Blue flag iris seed pods
Blue Flag Iris seed pods
Seed Provenance - Iris versicolor - Northern Blue Flag - Prairie Moon Nursery, Winona, MN - Nodding Onion Gardens - 2012 - Present