Hairy Beard Tongue (Penstemon hirsutus, which is purple) is in Alex's list and may be in our garden. TThe photo she used is copyrighted.
This photo from our garden is identified by Google as Foxglove Beardtongue (P. digitalis).
According to Google, Hairy Beardtongue has purple or lavender blooms and grows 1 to 2 feet tall. Foxglove Beardtongue has white blooms and grows 3 to 5 feet tall.
We added a link to a photo of Hairy Beardtongue (P. hirsutus) from the US Fish and Wildlife Service website. The photo is by Dr. Thomas G., and is in the public domain.
I guess we will know more as it grows!