Ironweed, Tall

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

$5.00

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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.

Credit

Arx Fortis at English Wikipedia / CC BY-SA

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

Contact US

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(919) 241-7865
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hello@backyardbutterflies.org
When a slower response is ok

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When a slower response is ok

Phone

(919) 241-7865
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FINAL DAYS TO SHOP
May 25 - 27
12 - 5 PM

Plants are available for in-person shopping only at our location in Hillsborough.