- 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): |
Scientific Name: VERNONIA `IRON BUTTERFLY` |
- SKU:
- 1007396-pc
Container Sizes
Please Note: The pictures below are to give a general representation of the different container sizes. The actual size/ages of plants are estimates and will vary based on; type of plant, time of year, last pruning & many other factors.
For more detailed information, please click here.
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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.