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Blue Flag Iris Plant

The Blue Flag Iris is a live perennial plant with vivid violet-blue blooms that thrives in consistently moist or wetland garden areas. Its sun-loving, rhizomatous growth habit creates natural colonies for erosion control while attracting bees, butterflies, and hummingbirds to your outdoor space. Iris versicolor perennial is a sun-loving, rhizomatous perennial and forms a distinct cluster of bright-green, blade-like leaves. Each cluster produces multiple long-stemmed flowers. The flowers, in combination with their gently curving leaves, create a graceful persona in the garden. With its vibrant violet-blue flowers, it is no surprise that this plant attracts bees, butterflies, and hummingbirds. This semi-aquatic plant will bring a menagerie of bustling pollinators to any wet garden area or the edge of your water feature. Nestle these water-loving flowers between accent rocks next to your stream or next to the gazebo that overlooks your pond. They are a vibrant addition to your gardenscape.

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Vibrant purple Blue Flag Iris flower with veined petals and yellow-brown base
1/6

Planting & Growing Information

Ships

7-10 Days

Planting Zone

3-9

Height at Maturity

Over 12"

Water Needs

Low

Sun or Shade

Full sun and Partial shade

Bloom Season

Summer

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.

Exposure

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.

Plant Attributes

Long blooming season & low maintenance , Water purification & soil erosion control, Attracts pollinators & drought tolerant

The Blue Flag Iris is a live perennial plant with vivid violet-blue blooms that thrives in consistently moist or wetland garden areas. Its sun-loving, rhizomatous growth habit creates natural colonies for erosion control while attracting bees, butterflies, and hummingbirds to your outdoor space. Iris versicolor perennial is a sun-loving, rhizomatous perennial and forms a distinct cluster of bright-green, blade-like leaves. Each cluster produces multiple long-stemmed flowers. The flowers, in combination with their gently curving leaves, create a graceful persona in the garden. With its vibrant violet-blue flowers, it is no surprise that this plant attracts bees, butterflies, and hummingbirds. This semi-aquatic plant will bring a menagerie of bustling pollinators to any wet garden area or the edge of your water feature. Nestle these water-loving flowers between accent rocks next to your stream or next to the gazebo that overlooks your pond. They are a vibrant addition to your gardenscape.

Planting & Growing Information

Ships

7-10 Days

Planting Zone

3-9

Height at Maturity

Over 12"

Water Needs

Low

Sun or Shade

Full sun and Partial shade

Bloom Season

Summer

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.

Exposure

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.

Plant Attributes

Long blooming season & low maintenance , Water purification & soil erosion control, Attracts pollinators & drought tolerant

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 displays blue flowers throughout June and July, with yellow veins that contrast beautifully with its deep blue and violet petals. This striking combination makes it a must-have in your garden.

Frequently Asked Questions

Does Blue Flag Iris spread?

Yes, Blue Flag Iris spreads naturally by rhizomes, forming beautiful clumps over time. Its steady growth makes it great for filling wetland areas or garden borders. With minimal care, it creates lush, colorful displays year after year.

How tall do Blue Flag Iris get?

Blue Flag Iris typically grows 2 to 3 feet tall, showcasing tall green blades and striking blue-purple blooms. Its upright growth adds graceful height to garden edges and water features. The vibrant flowers stand out beautifully against lush, green foliage.

How deep should I plant flag irises?

Plant Blue Flag Iris rhizomes just below the soil surface, about one inch deep. Make sure the top of the rhizome is slightly exposed to prevent rotting. With moist soil and sunlight, they’ll establish quickly and bloom beautifully each spring.

Why Buy Bare Root Plants From TN Nursery?

Since 1959, TN Nursery has grown and shipped quality bare root plants nationwide. Shipped during dormancy, bare-root plants develop strong root systems and establish quickly. Our experienced team carefully harvests and packages every order, providing growers with trusted plants backed by over 65 years of nursery experience.

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