The difference in growth caused by the abrasive nature of tuff compared with perlite in a coir blend (Image: Dan Austin) International Plant Propagation Society Preformed plugs or a conventional cutting mix? 11/12/2023 Dan Austin 554 Views 0 Comments #Tree, Botanic gardens, Garden Design, gardening, horticultural, horticultural industry, landscape, landscape design, Ornamental trees, Shade Trees By Dan Austin When it comes to plant propagation there are a few key areas to achieve production success. When Please Subscribe to Hort Journal Australia to view this page, or if you're already subscribed, please login below. Login