The game of opposites is – not only in floristry – one of the most expressive design elements. It is particularly important to find the right dosage of two extreme positions in order to find the level between tension and rest, colour and non-colour, diversity and reduction that we intend, and can then apply to make our emotional statement. This can not be achieved without proper practice. Gregor Lersch has analysed the main contrasts in floristry which are used to steer emotion. Using many step-by-step examples, he illustrates the possible transformations and nuances.