Vernonia gigantea
Full to part sun
Medium wet soil
5-8 feet tall
Blooms August to October
Bloom color purple
Pot Size: 3.5" W x 3.5" L x 5" D
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$5.00
Available May 1st
Ironweed, Tall
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Our Experience
Vernonia gigantea is also called Vernonia altissima. In our habitat this species of Vernonia is featured in our Very Tall Garden. All plants in our Very Tall Garden must have a minimum height of 6 feet. Once ours matured it consistently tops out around 10 or more feet each year. It may require some support for the outermost stalks, but over all this plant remains sturdy over the growing season.
Keystone Species by the Numbers
The numbers provided indicate how many species of Lepidoptera caterpillars use the plant as a host, or how many pollen specialist bees rely on the plant. Information obtained from Garden for Wildlife published by the National Wildlife Federation. Scroll down the page to load more entries.
| Common Name | Genus | Lepidoptera Species | Specialist Bee Species |
|---|---|---|---|
| Aster, Aromatic | Symphyotrichum |
100 |
33 |
| Aster, Calico | Symphyotrichum |
100 |
33 |
| Aster, New England | Symphyotrichum |
100 |
33 |
| Aster, Short’s | Symphyotrichum |
100 |
33 |
| Aster, Sky Blue | Symphyotrichum |
100 |
33 |
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