Blue Vervain (Verbena hastata)

A green plant with several stems each topped with a spike of blue flowers.

NPS/Gordon Dietzman

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Introduction

Blue vervain is common in sedge meadows, wet to wet-mesic prairies, and fresh meadows.

Blue vervain is a perennial herb up to 1.5 - 3.5' tall. The opposite stem leaves are lanced-shaped to narrowly ovate and coarsely serrated. Deep blue flowers are overlapping and packed into a number of dense spikes which form a panicle at the end of the 4-sided, erect stem.

Blue verain is visited by many of our native bees and are important mid-summer nectaring sources.

Blooms: July to August.

Find It

Blue vervain is common in many lower, moist areas near the river and floodplain lakes.
Coldwater Spring

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See our iNaturalist project, "The Life of the Mississippi National River and Recreation Area" and contribute to it by downloading the iNaturalist app and uploading your sightings of this species, and others, to the project. You can also upload your sightings from your computer.

Last updated: March 21, 2018

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Saint Paul, MN 55101

Phone:

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