The Great Glasshouse features a sophisticated computerized ventilation system to mimic Mediterranean climates.
The gardens were developed on the site of a Regency-era country house that burned down in 1931.
It is home to the world's first dedicated 'Biophilic' lab for scientific study.
The site hosts a significant collection of rare plants from the Mediterranean, California, Chile, and South Africa.
It maintains a specialized laboratory for the conservation of Welsh plants, particularly the Snowdon Lily.
The garden uses a sustainable water recycling system fed by natural lakes on the property.
The estate is located within the historic landscape of the Towy Valley.
The National Botanic Garden of Wales is home to the Great Glasshouse, the world’s largest single-span glasshouse, designed by Norman Foster. The site covers 568 acres of historic parkland, including the 18th-century Middleton Hall landscape. It functions as a centre for botanical research, conservation, and horticultural education. The garden maintains the National Collection of Welsh flora and various Mediterranean climate zones. Visitors can explore a series of themed gardens, including the Double Walled Garden and a Japanese garden. The site features an apothecary garden highlighting the history of traditional medicine. It serves as a sanctuary for rare Welsh orchids and other endangered plant species. The estate includes extensive woodland walks and wildlife lakes. The garden is managed as a registered charity dedicated to plant science.
From the elevated path inside the Great Glasshouse looking down at the central rock garden.
Wear waterproof footwear if you plan to explore the extensive woodland trails beyond the main garden paths.
Check the daily event calendar at the entrance for guided tours or seasonal orchid displays.
Bring binoculars for birdwatching near the designated wildlife lakes and bird hides.
Do not attempt to walk the entire 568-acre estate without a map, as the terrain is undulating and extensive.
Open daily throughout the year, with limited holiday closures.
Stay on marked paths in the woodland areas to protect sensitive ecological habitats.
