A large purple flowering plant with dense clusters of small blossoms and tall green leaves, planted in a landscaped garden bed in front of a house.

Ironweed Plant

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$7.99
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Ironweed Plant

$7.99
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A large purple flowering plant with dense clusters of small blossoms and tall green leaves, planted in a landscaped garden bed in front of a house.
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Planting & Growing Information

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Planting Zone

3-9

Height at Maturity

Over 12"

Water Needs

Low, Moderate, and High

Sun or Shade

Full sun and Partial shade

Bloom Season

Summer

Care

Ironweed plant 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

It 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

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Planting & Growing Information

Ships

Ships Now

Planting Zone

3-9

Height at Maturity

Over 12"

Water Needs

Low, Moderate, and High

Sun or Shade

Full sun and Partial shade

Bloom Season

Summer

Care

Ironweed plant 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

It 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

Customer Favorites That Go Will With Ironweed Plant

Ironweed Plant Details

Ironweed Plant for Sale

The Ironweed perennial (Vernonia Plant) gets its name from its tough stem, stuck deep in the ground and rising straight up like an iron pole. The sturdy plants can grow from three feet tall up to seven feet tall, depending on the variety.

This adds stunning visual interest to your garden with its skyscraping blossoms. It is native to the Great Lakes region of the United States and Canada, and its resiliency makes it a fantastic addition to any native or wildflower garden.

Ironweed Plant Details

Family: Asteraceae

Light Requirement: Full Sun, Partial Shade

Height: 3-7 ft

Spread: 1-3 ft

Growth Rate: Rapid

Soil Preference: Moist, Flood-tolerant

Bloom Time: Late summer

Flower Color: Purple

Wildlife Value: Butterflies, Pollinators

Notable Characteristics of Purple Ironweed Plant

The Ironweed Plant has a thick, twig-like stem and thin brown branches. Its long, thin, pointed leaves grow in pairs all the way up the plant to the blossom. The flower has short, fluffy petals that stick straight up out of the plant, making a purple, moss-like carpet on the top of the plant.

It blooms in the late summer, and its hardy blooms last for six weeks or more. It crops up near streams, open woodlands, and meadows, or even in disturbed land, given its resilient nature.

Landscape and Maintenance of Ironweed Plant

This beautiful and hardy plant grows easily in many climatic environments and is even flood-tolerant, but prefers full sun and moist soil. It is an aggressive self-seeder and spreads rapidly. It also attracts a variety of native bees and butterflies, which help to pollinate.

It actually is the host plant for the larvae of the American Painted Lady butterfly and the Ironweed Borer Moth. It contributes to the native plant kingdom and naturalizes easily while also being an eye-catching beauty. It is the perfect way to decorate your native or wildflower garden.

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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

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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.

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Cold Hardy

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

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Colorful Contrasts

Ironweed plant 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.

Frequently Asked Questions

How tall do ironweed plants get?

Ironweed plants typically grow 4 to 6 feet tall, creating a bold vertical accent in gardens. Their tall stems are topped with clusters of vibrant purple blooms. They attract butterflies and pollinators, adding both color and life to any landscape.

Does ironweed come back every year?

Yes, ironweed is a hardy perennial that comes back every year. It grows stronger each season, producing taller stems and more blooms. Its long-lasting flowers make it a dependable favorite for pollinator and native gardens.

Where is the best place to plant ironweed?

Ironweed grows best in full sun with moist, well-drained soil. It thrives in meadows, garden borders, and naturalized areas. With sunlight and space, it produces vibrant purple blooms that attract butterflies all season long.

When does vernonia ironweed bloom?

It starts blooming toward the end of summer and continues for several weeks. The clusters of purple flowers add strong color to garden borders and natural areas during that time.

Can the vernonia plant grow in wet areas?

Yes, the vernonia plant attracts butterflies and bees all season. Its bright purple blooms give pollinators plenty of nectar and help support a healthy garden ecosystem.

Root system of a plant on soil with a trowel nearby

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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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Product Highlight

  • 5 stars: 6 (50%)
  • 4 stars: 6 (50%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
W
Wendy

Ironweed has been a fantastic native plant for the back of my pollinator garden. The deep purple flowers are gorgeous and the butterflies seem to find it immediately. It's tall, sturdy and makes a great background plant.

S
Sara Taylor
Always above and beyond

I received my ironweed bareroots today and they are massive.....very healthy and strong looking and once again TN nursery delivers above and beyond quality....

B
Brenda Nadeau
Iron weed purchase

I submitted a review of my order yesterday and found out the star system was not working correctly and only one star was recorded. This is a note to say that I give TN Nursery 5 STARS for product and customer service

A
Angie Nichols
Good Root Stock

I received my Ironweed root yesterday 8/25/25. It was part of their BOGO free sale. Both roots are substantial and look good. I soaked them for an hour as recommended and look forward to seeing them grow and flower next year.

O
Olivia Walker, North Carolina
Reliable Nursery for Ironweed Plants

I trust TN Nursery because they consistently deliver top-notch plants. My recent Ironweed order came in excellent condition, with roots ready to thrive. The bold purple blooms are stunning and draw in butterflies daily.

P
Patrick Hughes, Georgia
Healthy and Beautiful Ironweed Plants

TN Nursery delivered healthy, lush Ironweed plants that have already adapted well to my soil. The quality of these plants is outstanding, and the customer service was just as remarkable. My garden has **** looked this colorful.

E
Emily Saunders, Colorado
Ironweed Plants That Truly Impress

My Ironweed plants from TN Nursery have brought vibrant life to my yard. They were shipped quickly, carefully packed, and already showing signs of healthy growth. Their striking purple blooms light up my garden beautifully.

J
John Reed, Virginia
Top Quality Ironweed Plants Delivered Fast

I couldn’t be happier with my purchase from TN Nursery. The Ironweed plants came in excellent condition, with strong roots and no damage. The fast delivery and detailed planting instructions made it easy to succeed in growing them.

A
Abigail Morris, Florida
Gorgeous Blooms and Excellent Service

The Ironweed plants I received from TN Nursery exceeded expectations. They were fresh, full of energy, and started thriving almost immediately. The vibrant flowers are not only stunning but also a pollinator magnet. Highly recommend this nursery!

R
Raymond Ellis, Ohio
Best Source for Hardy Ironweed Plants

TN Nursery provided me with the most resilient Ironweed plants I’ve ever ordered. They arrived in perfect condition, packaged with care, and established quickly in my garden. Their deep purple blossoms have added striking beauty to my landscape.

C
Caroline Foster, Texas
Thriving Ironweed Plants from TN Nursery

I purchased Ironweed plants from TN Nursery, and I am beyond impressed with the quality. The roots were strong, well-packed, and ready to plant. Within weeks, I noticed healthy growth, and the vibrant purple blooms are already attracting butterflies. A flawless buying experience!

T
Thomas Recktenwald
Quick delivery

The whole process was very easy. Now I just have to wait to see the plants this Spring.