What are the 6 principles of floral design in Saint Petersburg, Russia?

Size: In Floral Design, size is a visual dimension of a component, rather than the actual dimension. The six Principles of Design are Balance, Contrast, Dominance, Proportion, Scale, and Rhythm.

Oh, thank you for that James, I had missed unity and emphasis, which are very very important because most floral designs have an area of emphasis which is the main feature in the design and draws the viewer's eye to that point. It can also be created with the placement of contrasting materials.