That's an originally south-asian variety of nettle in bloom, coleus/painted nettle; if you look close, the familiarity to other nettle variations is easy to spot, but also easy to miss because the colourful leaves are rather distractding. In Germany it's mostly only an indoor plant as it's very frost-sensitive, or used in seasonal decorative outdoor plantings only. The English Wiki says it's an evergreen perennial, so clearly in other climates. *g*
In German it's called "Buntnessel", Plectranthus scutellarioides, and used to be a very common indoor plant, as it was really hard to kill, very easy to grow, and very beautiful with all kinds of variations of the leaves. I've wanted a pretty one for years, but didn't found one with the kind of leaf colour I like yet - much like the one you have there! :o)