Green roofs can range from roof gardens with raised beds and pots, to rolled-out green carpets, to shed roofs containing planting cells that are filled with soil or compost and planted up with low growing perennials and grasses.
Rooftop gardens are green roofs
All green roofs will save energy through insulation
Lightweight materials to grow plants in are available
Green roofs are affected by drought and waterlogging
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.