Native Plant Database

Header Photo: Mervin Wallace

Southern Blue Flag

Iris virginica var. shrevei
Plant Type: Herbaceous Perennials
Native Environment: Stream Edge, Wetland
Season of Interest: Mid (May - June)
Main Color: Blue, Purple
Fall Color:

USDA PLANTS Range Map

At the range map link above, zoom in for county-level data

Purple flower with yellow acccents against green foliage.
Photo: Mervin Wallace
Sun Exposure 
Full Sun
Soil
Moisture
Moderate, High, Wet
Nature Attracting
Pollinators/Beneficial Insects
Wildlife Benefit
Food/Pollinators
Animal
Resistance
Size

Height:

15 to
40
inches

Spread:

18 to
24
inches
Size
Height: 15 to
40
inches
Spread: 18 to
24
inches
Size
Height: 15 to
40
inches
Spread: 18 to
24
inches
Typical Landscape Use
Excellent in swales and swampy ground. Perfect along the edge of ponds.
Establishment and Care Instructions
Grow in full sun in moderate to wet soil.
Special Features
Special Usage
Fresh Cut Flower, Rainscaping
Basic Description

This adaptable iris has fragrant, blue violet flowers with falls crested in yellow and white. Narrow, bright green leaves often lie on the ground in late fall and winter. Grows well in poorly drained clay soil.

Where Should I Start?

Check out the Grow Native! Committee’s Top Ten picks of native plants for a particular purpose.

What’s the Next Step?

Picked out your plants? View our Resource Guide of garden centers, seed sources, landscapers, education resources, and more!

Where Can I Find This Plant in Nature?

Learn about the Native Environment(s) inhabited by the plants in this database.

Support the Grow Native! Program
Skip to content