Victoria, Australia

Could anyone tell me what the root-ball size is of a Cupressus Macrocarpa 'Golden Pillar' is.I would like to plant a row on my back fence, problem they will be planted on a retaining block wall, 3 meters wide by 2meters high. will the roots compromise the wall. Also in front of golden pillars a row of Cupressus Macrocarpa 'Greenstead Magnifica' Cupressus Macrocarpa 'Golden Hallo' and ? Abies Amabilis ' Spreading Star' unsure of the last one ? Can anyone help would be great. Cheers. Dawn

• 18 Jul, 2010