There are about 150 species of perennials and shrubs in the genus Lysimachia.
These so-called thugs are plants that cover the ground so fast that if left to their own devices they eventually crowd out every other plant in a bed.
Some of us enjoy the serenity of gardens under large shade trees, but trees suck up a lot of moisture...
May, in my Midwestern garden, is when a lot of creeping plants bloom.
Campanulas, or bellflowers, are plants with bell-shaped blue or white blooms, and they range in height from ground-hugging dwarfs to plants that grow to 6 feet.