Leptospermum or 'Tea Tree' are found across Australia and also in New Zealand, and as such with over 80 species much variation exists.
In general Leptospermum make good screening plants and have attractive flowers.
In cultivation Leptospermum scoparium is common, however many of the hybrids have been developed in New Zealand. L. scoparium 'Red Damask with dark red flowers is a hybrid that is most attractive, however this one was bred in California.
Leptospermum continentale is known as the 'juniper tea tree' and L. lanigerum as the 'woolly tea tree'.
L. polygalifolium 'Little Bun' is a nice small growing form while. L.sericeum or 'silver tea tree' has attractive silvery foliage.
Try looking for Leptospermum 'Pageant' with its nice purple flowers or Leptospermum 'Rudolph' with large red flowers. Leptospermum 'Pink Cascade' pictured right is another with great flowers.