Growing substrate ‘blown’ onto roof garden by the use of a truck mounted hopper (Image: Michael Casey) Green InfrastructureLandscape Exploring substrates – no substitution for future infrastructure projects 05/06/2023 Michael Casey 563 Views 0 Comments #Tree, Botanic gardens, Garden Design, gardening, horticultural, horticultural industry, landscape, landscape design, Ornamental trees, Shade Trees By Michael Casey Substrates provide anchorage for plants and hold water which is key to their survival and growth through Please Subscribe to Hort Journal Australia to view this page, or if you're already subscribed, please login below. Login