While it's tempting to retain surprise ornamental visitors in your yard, like wild violets ... During spring, they bloom two-lipped, purple flowers that fade to release seeds in early summer.

Photos courtesy MISC In 2003, Lori Buchanan, manager of the Molokai/Maui Invasive Species Committee, investigated a glossy-leaved plant with pinkish-purple flowers. She had seen it growing as a ...