Dasylirion longissimum (Mexican grass tree) in a steel pipe. I'm sure an Australian grass could do just as well!
Philotheca "Flower Girl". A hardy small shrub that adapts well to a wide range of environments. The pinkish tinge to the open flowers is a feature. Great plant for a shrubbery or pot. Good cut flower as well.
Anigozanthos kangaroo paw 'Bush Pearl'. Good for pots
Ozothamnus diosmifolius. Pink one is pretty too.
Grevillea 'New Blood' - Deep red, lovely 'juniper like' ground cover. 25cm high and 1 - 1.5mtrs wide.
Eucalyptus preissiana is a small tree,usually of "mallee"habit. It reaches about 2-3 mtrs in height and similar width. Responds to hard pruning to near ground level to rejuvenate.
Banksia Tucker Time Birthday Candles
Callistemon little john or better john
Crowea exalata 'Low Dome' This might go well in an English Country Garden.