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. Think mounds, if your Thriller is a spire.
Here are my 6 choices for plants with superb filler qualities.
The colourful summer bedding pelargoniums of course make fantastic summer container plants. If you want a longer lasting display, though, choose from the hardy perennial geraniums, known as cranesbills. They are superb for providing long season flowering year on year. Some of the more vigorous ones, like Geranium Ann Folkard, make...Read More »