Flower delivery system has its own ordering and sending principle. Flower arrangement has become to a fashion trend. So does the printed flowers. The petals can be printed with your words with the flower printer. One of these basic principles of flower arranging is unity. Unity helps you look at your floral arrangement both its separate elements, and as a unified whole.  In addition, the purpose of this principle is that when viewed, your floral arrangement will be a complete whole with all the parts of the arrangement, the flowers, accents, container, etc., blending together.
When following the principle of unity, the trick is to start at the very beginning and select the materials like your flowers,  container,  foliage,  stems, ribbons, etc.,so that they match. Hence, when attempting to unify all your elements, you need to keep in mind the color, shape and size of everything. For example, if you want to have a flower arrangement with orchids as the focus, try to select the container and the other elements that will accentuate and bring focus on rich purple color of the orchids. This can be achieved by selecting a container that is also purple, or in the same color family, by choosing accents that contrast or match the flowers.
Speaking roses have become to a new trend. Actually, that means printed roses. Finally, in order to achieve unity in your floral arrangement, you should ask yourself if the final arrangement looks good to you and fits with the setting in which it is intended. Is the arrangement simple yet effective and sophisticated?  Does it look like all the elements were designed to be arranged together? If so, then you have achieved the basic principle of unity in your flower arranging goal.