You have all the time to rearrange or polish your flower arrangement. The flower design should look beautiful and artistic enough before you place your filler, when the filler is already placed, it would be harder to move your things around the area or place. Bear in mind that The filler are very fragile.
The utmost importance in an arrangement is the overall harmony and balance. It is possible to combine two or more flowers in one floral design, but in this case choosing flowers that are compatible with each other is of utmost importance. In other words, the key to a well_balanced arrangement is to choose flowers that can strengthen the beauty of each other. What's important to getting the most out of the components of an arrangement is the harmony between the floral material and the container, as well as the overall balance. No matter how beautiful a flower may be on its own, if it does not harmonize with the rest of the material, the balance is lost and the beauty of the flower is wasted.