How To Grow Foxglove Plants (Digitalis purpurea) A Flowering Biennial This plant has actually naturalized in parts of California. It's native to Europe, but it does well in a number of localities, possibly too well since it is considered to be an invasive plant.
Mint might be invasive, but in some situations a tenacious plant is a good plant and so I'll plant whatever will survive providing that it is an attractive plant.