The Thrillers are the architectural plants, usually the tallest plants in the display. They provide the structure for your planting combination.
Next come the Fillers, the second layer of planting in the container. They add mass to the planting, as well as providing a contrast in shape and texture.
Finally, there is the third layer of plants, the Spillers. These are the trailing plants which, when squeezed in around the edge of the planting, will tumble over the sides and soften the boundaries. Where the filler can contrast with the thriller, the spiller can unify the display by echoing elements of the other two layers – picking out a secondary colour, for example. Plants with good spiller qualities are often...Read More »