Climate, soil, etc? No point suggesting plants which won't do well in the conditions.
Are you sure the existing plants won't fill in the space? I can't quite make them out but the row of sprouty looking things appear as if they might grow larger, and a number of plants look clipped, and the tree looks fairly new. It's a fine line between quick effect and overcrowding. Sometimes watching the tv shows which make it look easy I recognise the plants they are using and think that within a year or two the owners will be pruning them weekly or pulling half of them out.
Coastal enough that salt spray is an issue, or merely that happy zone where you don't need to worry about frost? My eye is still drawn to that row of plants which look as if they will in time fill the space better. But a nice lush ground cover could grow around them I suppose. Convolvulus? Star jasmine, as long as you don't mind the fragrance which seems a love it or hate it thing? There are probably plenty of others I'm not familiar with as I live in a frost zone.
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macyjean
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Julie Herbert
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