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Great Blue Lobelia (Lobelia siphilitica L.)

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A perennial lobelia with a wide range in Eastern North America, particularly common in the northeast and upper midwest.

Range - Expand

Native or Not Present

This tentative map is based on our own research. It may have limited data on Canada and/or Mexico, and there is some subjectivity in our assignment of plants as introduced vs. expanded. Read more in this blog post.

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Photo © , CC BY-SA 4.0.
Photo © , CC BY-SA 4.0.
Photo © , CC BY-SA 4.0.