Nodding Onion Gardens

Native Plant Nursery

Columbia Station, Ohio, USA

Iris versicolor - Northern Blue Flag

Cultivation Information

- 3 ft

Flower Color
- Violet
Blooms - May - July
Sun - Sun - part sun

Hardy Zone -

Soil - Moist

Suitable for - Rain Gardens
Family - Iridaceae

Ohio Native Plant - Natural Range

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

Seed Provenance - Prairie Moon Nursery, Winona, MN - Nodding Onion Gardens - 2012 - NOG 2015!

Jim Wohl - Blue Flag Iris
Jim Wohl - Blue Flag Iris
Blue flag iris seed
It took three years but we now have seed!
Blue Flag Iris seed - Nodding Onion Gardens
Blue Flag Iris seed - Nodding Onion Gardens - 2015
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.