Swamp Verbena Verbena hastata Linnaeus  Synonyms: Blue Vervain.

Status:

Swamp Verbena (also known as Blue Vervain) is a slender, erect, native perennial that grows in most of the United States and much of Canada. It is common throughout Maryland in moist fields and swamps.

Description:

The upper stems of Swamp Verbena terminate in a panicle of clustered, stiff, erect, flowering spikes that are up to 5" long. Each spike is densely crowded with sessile, reddish blue or violet flowers. The plant is easy to identify because it is the only vervain with elegant spikes of flowers of this color.

There are 147 records in the project database.

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Swamp Verbena in bloom in Carroll Co., Maryland (7/7/2020). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

Swamp Verbena blooming in Montgomery Co., Maryland (7/24/2013). Photo by Fritz Flohr Reynolds. (MBP list)

Swamp Verbena blooming in Anne Arundel Co., Maryland (7/19/2020). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (MBP list)

Swamp Verbena blooming in Garrett Co., Maryland (7/7/2015). Photo by Kimberly Booth. (MBP list) (More of this species)

Swamp Verbena blooming in Baltimore Co., Maryland (7/31/2015). Photo by Emily Stanley. (MBP list)

Swamp Verbena in Anne Arundel Co., Maryland (7/7/2011). Photo by Bill Harms. (MBP list)

Swamp Verbena, also known as Blue Vervain, blooming in Anne Arundel Co., Maryland (7/18/2012). Photo by Bill Hubick. (MBP list)

Swamp Verbena blooming in Garrett Co., Maryland (8/23/2015). Photo by Kimberly Booth. (MBP list)

Swamp Verbena blooming in Anne Arundel Co., Maryland (8/3/2016). Photo by Robert Ferraro. (MBP list)

Swamp Verbena blooming in Carroll Co., Maryland (7/7/2020). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

Swamp Verbena blooming in Garrett Co., Maryland (7/24/2010). Photo by Jim Brighton. (MBP list)

Swamp Verbena blooming in Dorchester Co., Maryland (6/29/2011). Photo by Jonathan Willey. (MBP list)

Swamp Verbena in Howard Co., Maryland (9/4/2017). Photo by Bill Harms. (MBP list)

Swamp Verbena (winter aspect) in Howard Co., Maryland (2/5/2013). Photo by Richard Orr. (MBP list)

Swamp Verbena (winter aspect) in Anne Arundel Co., Maryland (1/7/2018). Photo by Bill Hubick. (MBP list)

Swamp Verbena (winter apsect) in Anne Arundel Co., Maryland (1/25/2017). Photo by Bill Hubick. (MBP list)

Swamp Verbena blooming in Cecil Co., Maryland (8/24/1981). Photo by Jim Stasz. (MBP list)

Swamp Verbena blooming in Howard Co., Maryland (8/7/2017). Photo by Sam Droege. (MBP list)

Swamp Verbena blooming in Howard Co., Maryland (8/7/2017). Image processed by Helen Lowe Metzman. Photo by USGS PWRC. (MBP list)

Swamp Verbena blooming in Anne Arundel Co., Maryland (8/3/2016). Photo by Robert Ferraro. (MBP list)

An American Goldfinch feeds on Swamp Verbena seeds in Howard Co., Maryland (1/3/2016). Photo by Bonnie Ott. (MBP list)


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