This is Impatiens balsamina Purple, also known as Balsam, and Touch-Me-Not. This is an Annual plant that likes to live in the sun but can also be happy in partial shade. It blooms from late Spring until early Fall and is a very popular guy with the bees, birds, and butterflies. This plant has a high mineral content when it is raw, so you do not want to eat too much of this plant while it is raw but it can be boiled or dried and eaten without a worry. People with gout, hyperacidity, kidney stones, rheumatism, and arthritis should not eat this plant. Touch-Me-Nots are a known nectar source for the Tailed Sulphur, Victorine Swallowtail, and Rusty-tipped Page butterflies. It is also a nectar source for the White-striped Black moth. This is an annual plant and will grow in any USDA Hardiness Zone.