Ultraviolet extends far beyond marketers' on-trend colour selection

Each year, there is one designated colour that encompasses everything from paints to fashion and even gardens. This year, the hot colour of choice is ultraviolet.
Now as my family and friends can attest to, I’m not much of a trendsetter — nor a trend follower, for that matter — but I’ve always loved ultraviolet-coloured plants. Ultraviolet plants look terrific all on their own or matched with yellow flowers, a favourite of mine.
But being the kind of guy who loves plant s