Lobelia inflata, otherwise known as Indian Tobacco or by the less-delightful name of pukeweed, is a Michigan and UP native annual or biannual that readily self-seeds. The seeds need light to germinate, so make sure mulch is pulled back in areas where you want the plant to return.
It prefers part sun to shade and moist to medium soils and can reach 2.5 feet in height. Supports short-tongued bees with tiny lavender flowers and is a moth host plant. Makes a good matrix plant to fill in around more showy specimens. Members of the Lobelia family support at least 6 types of butterflies and moths in the UP, according to the National Wildlife Federation Native Plant Finder.
Lobelia inflata has a history as a Native American medicinal herb, but can also be toxic. It is not tobacco and should not be smoked. Plant it as an ornamental for the cute flowers instead.