What is the UK’s most famous botanical garden in London?

The most famous botanical garden in London is Kew Gardens, officially known as the Royal Botanic Gardens, Kew. Located in southwest London, Kew Gardens is home to over 50,000 plant species and is a UNESCO World Heritage site. The gardens feature stunning landscapes, including glasshouses, wooded areas, and beautifully designed gardens. Kew Gardens is known for its research on plant conservation and biodiversity, and it attracts millions of visitors every year. It is a popular spot for those interested in horticulture, nature, and environmental science.