Intensive roofs tend to have more complex planting schemes that require much deeper substrate, from 200mm to 500mm or deeper. Less clay aggregate than extensive, this soil balances lighter weight, with organic content and adequate water retention for the larger plants.
John Chambers Wildflower
John Chambers Wildflowers; Suppliers of British Native Wildflower mixes from a range of high-quality growers. We offer a comprehensive range of pre designed or bespoke mixes suitable for projects across