National Botanic Garden of Wales – Dyfed: The centrepiece is the Great Glasshouse – the largest single span glasshouse in the world – 17,000 herbaceous plants run parallel to the wall of the 200-year-old double walled garden.
National Botanic Garden of Wales – Dyfed: The centrepiece is the Great Glasshouse – the largest single span glasshouse in the world – 17,000 herbaceous plants run parallel to the wall of the 200-year-old double walled garden.