"Sapphire Showers" is a species of flowering shrub in the verbena family, native from Mexico to South America and the Caribbean. It is widely cultivated as an ornamental plant in tropical and subtropical gardens throughout the world, and has become naturalized in many places. It is considered an invasive species in Australia, China, South Africa and on several Pacific Islands.
I hope it brightens up your day, as it did mine! :)
Thank you for all of the kind support and lovely comments. They are very much appreciated!