With eye-catching colours, flowering shrubs are frequently the centerpiece of a lawn. Foliage and greenery increase the attractiveness of any floral arrangement. The big and complete bloom alleviates the demand for fillers
Love the idea of bending the lillies down and attaching the brooch. Could also wrap lace around the glass vase to get a more vintage look and cover up some of the green stems - I'd add large, black ostrich feathers.