This is a white Tradescantia or Spider Flower that grows as a perennial in my PHippsburg, coastal Maine gardens. It is related to the house plants commonly known as Wandering Jew and Spider Plants.
Kolkwitzia, also known as Beauty Bush is an old fashioned favorite, tall shrub in Maine. Beauty Bush is an old fashioned favorite. It grows quite tall for a shrub, as much as 15 feet. I used to steal them from a neighbor for my mother when I was young.
Hostas are edible by humans and are called "urui" in Japanese cuisine.