Classification
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All Names

  • Scientific names
    • Vernonia gigantea
  • English
    • tall ironweed

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Recent observations

Photos

What

tall ironweed Vernonia gigantea

Observer

jwhittle

Date

Jan 30, 2013 11:09 AM EST

Photos

Square

What

tall ironweed Vernonia gigantea

Observer

jtscott39

Date

Nov 4, 2012

Description

Any ideas?

Tags

Photos

Square

What

tall ironweed Vernonia gigantea

Observer

sagamoreoh

Date

Aug 23, 2012

Photos

Square

What

tall ironweed Vernonia gigantea

Observer

spiritstudios

Date

Jul 30, 2012

Description

Growing along the lake in Alley Park.

Photos

Square

Observer

morganetheridge

Date

the past

Photos

What

tall ironweed Vernonia gigantea

Observer

lsteinwachs

Date

Jul 24, 2012 11:05 AM EDT

Photos

Square

Observer

giantheart

Date

Jul 13, 2012

Photos

7589582854_02e9a1bc21_s

What

tall ironweed Vernonia gigantea

Observer

eric_hunt

Date

Jul 16, 2012 04:24 PM CDT

Description

Species from eastern North America

Common name: Giant Ironweed

Photographed in Boyle Park, Little Rock, Arkansas

Photos

Square

What

tall ironweed Vernonia gigantea

Observer

lward

Date

Jul 20, 2012 02:11 PM EDT

Photos

Square

Observer

hitefamily

Date

Jul 9, 2012

Photos

Square

What

tall ironweed Vernonia gigantea

Observer

mperdicas

Date

Jun 27, 2012 10:21 AM EDT

Photos

Observer

lward

Date

Jun 16, 2012

Description

about 6 ft tall, starting to bloom purple

View all observations

Description from Wikipedia

Vernonia gigantea (also known as Giant ironweed, Tall Ironweed or Ironweed) is a species of perennial plant from Asteraceae family that can be found in United States and Canada. The plant is considered to be an invasive species in the United States and have numerous common names.

No range data available.