One of the hardiest of the Leptospermums which, in time and left alone, will achieve the appearance of a ruggedly handsome small tree. We say this in case you have control issues and mistake shearing for pruning in which case this will be a nice dense ball.  Or square.  Or blob.  Evergreen, nice white flowers, deer-proof, drought tolerant. Thanks to Leptophiliac Ian Barclay for sharing this..

Evergreen alpine Aussie growing in the same habitat as Snow Gums.  This has billowy gray-green foliage and 1" white flowers borne on last year's wood.  With age the bark exfoliates and reveals a very shiny trunk which adds to the allure.  Sun, good drainage, dryish and phooey to the deer.

One of the hardiest Leptospermums, this creeping form is from the alpine areas of Tasmania and has grown for many years at the Arboretum in Seattle. Evergreen leaves with small white flowers, this would be a shame not to have it in the rock garden and a greater shame not to have it spilling over a wall.