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Iron Butterfly Vernonia

American Beauties Native Plants

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  • Full Sun (At Least 6 Hours Of Direct Sunlight)
  • Mature Height 30 - 36 Inches
  • Mature Spread 30 - 36 Inches
  • Growing Zones 4 - 8

The showy, fluffy-looking flowers of the Iron Butterfly Vernonia will attract butterflies to your yard while providing a burst of color and texture. The Vernonia lettermannii has tall stems with thin, spindly dark green foliage. The stems are branched near the top and on the terminal end of each branch is a star-shaped purple flower with feathery petals. Enjoy the flowers from late summer into fall.

The Iron Butterfly Vernonia has an upright, mounded growth habit and can thrive in dry, rocky soil that is inhospitable to many other plants. This perennial is a good option for challenging environments and forgetful gardeners. Feature this beauty in beds, borders, and mass plantings. The flowers are very welcoming to butterflies, so this plant is a must-have for a butterfly garden. This cultivar is compact, making it a wonderful option for areas with limited space. Iron Butterfly Vernonia is a hardy perennial in USDA zones 4 through 8. 

Iron Butterfly Vernonia Care

Vernonia prefers dry conditions, so plant in average, well-drained soil. Let the soil dry out before giving the plant water. Select an area that receives at least 6 hours of sunlight. Give the plant a dose of balanced fertilizer once each spring.

Deadhead the plant to encourage more blooming. Cut the stems back by one-third if the Vernonia becomes leggy. As a herbaceous perennial, trim all growth to a few inches after the first frost.

Iron Butterfly Vernonia Spacing

Iron Butterfly Vernonia is an upright perennial that will grow 30 to 36 inches tall and wide. Plants can be spaced 30 to 36 inches apart to create a full bed or planting.

Iron Butterfly Vernonia Information

USDA Hardiness Zones: 4 - 8
Plant Type:
Light Exposure: Full Sun (At Least 6 Hours Of Direct Sunlight)
Mature Height: 30 - 36 Inches
Mature Spread: 30 - 36 Inches
Spacing: 30 - 36 Inches
Habit: Upright
Flower Color(s): Purple
Flower Description:
Bloom Period: Late Summer Into Fall
Foliage Type: Herbaceous
Foliage Color(s): Green
Foliage Description:
Seasonal Interest: Summer Flowering, Fall Flowering
Watering: Average
Resists: Deer
Tolerates: Heat, Drought
Attracts: Bees, Butterflies
Container Role:
Uses: Borders, Containers, Wildlife Gardens
Features: Attracts Pollinators, Low Maintenance, Native to North America
Brand: American Beauties Native Plants
Common Name: Iron Butterfly Vernonia
Other Name(s):

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Plant Addict Guarantee (Included On All Plant Orders)

Plant Addicts guarantees your plant(s) will arrive happy and healthy, but the plant(s) are being shipped through the mail and accidents happen. If the plant is dead, has dried out roots or the incorrect item was shipped just notify Plant Addicts within 3 days upon delivery. We may ask for pictures but will try to make it as easy as possible for you. Please note plant(s) with damaged branches or wilted leaves will not qualify for this guarantee. Plants are very resilient and will rebound quickly when cared for correctly.

For information on how to care for you new plant please check out our guide. Guide: How to Care for Your New Plant(s)

Plant Addicts Warranty - 1 Year (Extra Purchase Required)

We encourage all plant lovers to purchase the Plant Addicts Warranty whether you’re new or an expert. There are many variables outside our control and yours that can cause the demise of your plant(s). Examples would be hungry animals, drought, poor soil conditions, over watering, disease, insects & many other factors. The Plant Addicts Warranty is a 1 year warranty protecting you from all the unknowns and will replace your plant if it moves on to the plant afterlife.

The warranty is purchased on a per plant basis and must be purchased at the same time as the plant purchase. We will cover 100% of the price of the plant but the warranty does not cover shipping cost. Simply let us know if your plant has died within one year of receiving it and we’ll get you a new one shipped out. We may ask for photos for documentation purposes but again we’ll try to make it as easy as possible.

For more information, please go to our Shipping & Returns page at the bottom of the website.

Guide: How to Care for Your New Plant(s)

Planter Shipping

Standard Colors: 2-3 business days

Special Order Colors: 8 weeks - this is due to the planter being custom made with the color(s) of your choice

Please Note: On special orders there can not be any cancellations

Plant Shipping

Time of Order:

Summer Shipping

  • If there is extreme heat we’ll delay shipping.  
    • We’ll have to review what areas the plants are traveling through along with your location

Once your plant is shipped you’ll receive an email with tracking information. Depending on the above criteria we’ll ship your plant(s) towards beginning of the following week from your order. We put together this helpful guide of what to do when you receive your plants in the mail.

It is important to know that all of our plants are clearly labeled for which growing zones the plant can survive in. The plants are thoroughly trialed and tested in every growing zone before we state the plant can grow in a zone. Again, our #1 priority is to ship the plants to you healthy and ready to thrive in your location. So we will do everything in our power to do so.