Advice: Trees with grey or silver foliage
Grey, silver and blue foliage makes for a subtle range of tones and contrasts. Many trees with silver or grey foliage are able to withstand dry conditions, as the hairs or waxy coating which give them their colour are usually there to help minimise water loss.
Acacia...........................................dealbata
Acacia.........................................pataczekii
Cedrus.....................atlantica 'Glauca' group
Cytisus.......................................battandierii
Eucalyptus.........................................gunnii
Eucalyptus....................................johnstonii
Eucalyptus..................................niphophilia
Pyrus..............................salicifolia 'Pendula'
Pyrus.......................elaeagnifolia 'Silver Sail'
Salix.................................................exigua
Sorbus..............aria 'Lutescens' & 'Majestica'
Sorbus..........................folgneri 'Lemon Drop'
Sorbus.......................thibetica 'John Mitchell'