Blueflag Iris

Blueflag Iris

Iris versicolor

Featured Plant Category: Pollinator Plants, Rain Gardens, Shade Tolerant

Height: 2 to 2.5'

Container Size: Quart

Bloom Time: May to June

Bloom Color: Blue

Soil Moisture: Medium to Wet

Soil Type: Average, moist, humusy.

Light Requirements: Full sun to part shade

Hardiness Zone: 3,4,5,6,7,8,9

Other Names: harlequin blueflag, larger blue flag, northern blue flag, purple iris

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Blueflag Iris are known for their showy, violet-blue blooms in late spring. It grows best in medium to wet soils and will be happy in up to 4″ of shallow standing water, making this plant great for a rain garden, or on the edge of a pond. After a few seasons it will form colonies in the landscape. The marginal aquatic plant creates a clump of narrow, fan-shaped leaves with a blue-green color. Blueflag Iris is pollinated by bees, and have evolved flowers that make it easy for bees to land on, as well as markings directing them to the nectar glands. This is an elegant, easily grown flower – sure to make a great addition to any landscape.


Additional information


2 to 2.5'

Container Size


Bloom Time

May to June

Bloom Color


Soil Moisture

Medium to Wet

Soil Type

Average, moist, humusy.

Light Requirements

Full sun to part shade

Hardiness Zone


Other Names

harlequin blueflag, larger blue flag, northern blue flag, purple iris

Shipping Information

Plant Shipping Carton

At Direct Native Plants, we take many precautions to make sure your plants will arrive in the best condition possible.

Our perennials are grown in a 4” quart-sized pot. These plants are then cut back to fit our packaging, placed in a protective clamshell container (made from recycled materials), and then shipped to you in a cardboard box.

Trees and shrubs are grown in a 7” tall container (referred to as a 1-gallon pot), and depending on the species will be between 12” and 36”. We bag the root section of these plants to prevent them from drying out in transit and ship them in a tall cardboard box. PLEASE NOTE: These boxes can be shipped in bundles up to 6. After that we start a new package, so keep this in mind if you’re trying to get the best shipping rates.

Direct Native Plants supports the United States Postal Service, so your plants will ship via USPS Priority Mail. Orders ship out Monday through Wednesday of each week, and depending on how close you are to our nursery in Maryland, shipping will take anywhere from 1-4 business days.

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