Oxford Botanic Garden is the oldest surviving botanic garden in Britain and has occupied its site in central Oxford since 1621. Conceived as a place to grow medicinal plants, born in the turmoil of civil war and nurtured during the restoration of the...

An astonishing 430,000 green plant species and 350,000 flowering plant species have been identified since the early sixteenth century. According to Stephen Harris, author of "Planting Paradise", "these figures reflect the exploration, the accumulatio...