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Blue Flag Iris

Blue Flag Iris

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Blue Flag Iris: Iris Versicolor

Blue Flag Iris has blue, nectar-rich blooms that are beautiful to various pollinators, including bees, butterflies, and hummingbirds. It is a stunning and versatile plant with numerous landscaping benefits. This lovely perennial herbaceous plant is native to North America.

It is native to the northeastern region of the United States and the Canadian provinces. Its striking blue flower, often deepening to indigo and violet, grows to a height of roughly three feet.

Sepals are the parts of the flower surrounding the bud as it develops. The petals are the "flowering part" of the whole flower. In many cases regarding other flowers, the sepals are green and leafy, but when it comes to this plant, they are the same color as the flowers, which forms almost a scintillating effect as the plant blooms from May through July. It is perennial, meaning they'll liven up their garden with magnificent flowers yearly.

Blue Flag Iris's Foliage 

The plant's leaves resemble swords. They grow in attractive clumps beneath the soaring blue-and-violet flowers. The eye-catching combination of light green swords and sumptuous, 4-inch flowers is a terrific way to draw someone's eye to the center of a garden.

Blue Flag Iris Loves Water

Because they're hardy plants that thrive near water, in the crepuscular times before people start their day, the beautiful flowers will shimmer in the bright sun when covered with dew. The colors of the plant comprise the bottom of the spectrum, so they complement the refracted colors of the dewdrops and are genuinely a sublime sight to behold. Environmentally Sound As Well As Beautiful

While gazing lovingly at these sensational flowers, gardeners will also notice bees and multicolored hummingbirds flitting between the blooming buds all spring and summer. These lovely and lively flowers are healthy for all plants in the garden and sublime viewing.

An Excellent Perennial For Wetlands

It also sports yellow "accessories" throughout June and July. Inside the petals, the yellow patch and spreading veins contrast the deep blue and violet of the sepals and petals. That means the plant is a good-looking flower that "plays nice with others" of the same color and flower shape in any garden.

What makes It Unique

The plant is celebrated for gorgeous, showy blue to purple flowers with intricate veining. It grows in wetlands, beautifies gardens, and is also an embodiment of resilience and elegance. 

How do I care for the Blue Flag Iris

This perennial needs moist to wet soil and full to partial sun. Once planted, it is effortless to maintain, which makes it perfect for all, whether a professional horticulturist or an amateur gardener. 

It can be cultivated in containers if there is a constant supply of moisture and adequate drainage. This makes it perfect for use in small gardens, patios, or balcony areas. 

It usually flowers in late spring to early summer. The flowers of this plant are conspicuous and a nice indication of more favorable weather, not to mention they do add a pop of color to a garden. 

Blue Flag Iris is a favorite of numerous pollinators, such as bees and butterflies. It also has valuable habitat uses in wetlands and aids toward a better ecosystem.

This Is How Your Plants Will Look upon Delivery

Bare Root Plants
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Bloom Season

Summer

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Bloom/Foliage Color

Purple

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Height at Maturity

Under 12"

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Care

Blue Flag Iris thrives in moist, well-drained soil and requires regular watering. Ensure the soil remains consistently damp, especially during hot weather. Mulch near the plant to maintain moisture and prevent weeds. Prune spent flowers to promote new blooms.

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Plant Reproduction

Blue Flag Iris spread by rhizomes and self-seeding.

Planting bare-root perennials is best in any season if they are dormant; we only sell dormant plants. Planting them year-round is also excellent if you can get dormant perennials. When your bare-root perennials arrive, soak the roots in water for a few hours to rehydrate them. Lant by digging a hole wide enough to spread the roots comfortably and deep enough to place the top portion crown (where the roots meet the stem) at or slightly above ground level. Position the plant in the hole, backfill with native soil, and gently firm the soil around the roots—water well after planting to settle the soil around the plant and eliminate air. Apply a 2-3 inch layer of mulch to keep weeds at bay and moisture locked in, keeping the mulch away from the crown. Irrigate plants regularly during the first few weeks of drought; never water in full sun, and water late in the evenings to ensure the roots are established well. Fertilize sparingly in the first year, using a balanced, slow-release fertilizer in subsequent years as needed. 

Shipping date depends on the date displayed and chosen when you order from the product's page.

We only accept returns on plants verified dead. If you think your plants have died, we offer a 1 year warranty, please use use this File a Claim Link to verify dead plants and start with return warranty process.

Long blooming season & low maintenance
Water purification & soil erosion control
Attracts pollinators & drought tolerant
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What We Ship

The Benefits of Bare Root Plants

Bare root plants are shipped without soil or pots, making them lightweight and easy to handle. They arrive dormant, ready to be planted and thrive as beautiful, healthy additions to your garden.

Cost-Effective

With no heavy pots or soil, you'll save 50-60% on shipping costs, and you can easily plant our plants yourself—no equipment needed, just a spade for digging small holes.

Hassle-Free

Bare root plants are hassle-free because they're lightweight, easy to handle, and require minimal packaging. They establish quickly, saving you time and effort in planting and maintenance.

Better Growth

Bareroot dormant plants are more hardy because they adapt better to new environments, with stronger root systems that establish quickly, leading to greater resilience and improved survival rates in various conditions.

Eco-Friendly

Bare root native plants are environmentally friendly because they promote biodiversity, require less water and maintenance, and support local ecosystems, making them a sustainable choice for eco-conscious gardening

Features
Why You Will Love Our Blue Flag Iris

Ideal for Water Gardens

Thrives in wet conditions, making it perfect for ponds and boggy areas. Its lush, colorful blooms enhance the aesthetic of water gardens and naturalistic landscapes

Elegant Foliage

Features slender, sword-like leaves that add a graceful texture to your garden. The foliage complements the striking blooms and enhances the overall design.

Cold Hardy

Resilient in colder climates and withstands frost. Ensures that your garden remains beautiful throughout the changing seasons.

Colorful Contrasts

Blue Flag Iris features yellow "accessories" throughout June and July, with yellow patches and veins contrasting beautifully with deep blue and violet petals. This striking combination enhances its compatibility with other similarly colored flowers in your garden.

Caring Tips

How do I care for my Blue Flag Iris?

Each box contains detailed care instructions and information about your product. But here's the basics.

Care Tips

Blue Flag Iris thrives in moist, well-drained soil and requires regular watering. Ensure the soil remains consistently damp, especially during hot weather. Mulch near the plant to maintain moisture and prevent weeds. Prune spent flowers to promote new blooms.

Light Requirements

Blue Flag Iris blossoms in complete sun to partial shade and prefers at least 4-6 hours of sunlight per day for optimal growth and abundant flowering, although it may also grow in shadier spots.

Hardy Planting Zones

3 • 4 • 5 • 6 • 7 • 8 • 9

Customer Reviews

Based on 25 reviews
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L
Lawrence Johnson
Very nice!

Good healthy plants. Glad I ordered them. Thanks.

K
Kathryn greanead
Awesome

Very large healthy bulbs and fast shipping! Can't wait for them to bloom!

S
Sandie

Look healthy

T
Terri Huffman 333 Lakeside Drive, Aiken, SC
Love my Blue Flag Iris Plants

I received my box with my Blue Flag Iris Plants from TN Nursery and after opening I found 6 beautiful, healthy green plants. They were nice and moist at the rootball and looked like they had just been dug up. I’m very happy with my order and will definitely order from TN Nursery again!

K
Katherine Chase
Blue flag iris

Didn't get to package for almost a week. Was surprised how good the plants still looked. bulbs were well packaged, still moist and foliage green.
Now they just have to grow!