Lal Bagh (Kannada: ಲಾಲ್ ಬಾಗ್, Hindi: लाल बाग़) or Lal Bagh Botanical Gardens, meaning The Red Garden in English, is a famous botanical garden in southern Bangalore, India. The garden was originally commissioned by Hyder Ali, the ruler of Mysore, and later finished by his son Tipu Sultan. It has a famous glass house which hosts an annual flower show. Lal Bagh houses India's largest collection of tropical plants, has an aquarium and a lake, and is one of the main tourist attractions in Bangalore.
Hyder Ali commissioned the building of this garden in 1760 but his son, Tipu Sultan, completed it.
Lal Bagh is a 240-acre (971,000 sq.m. - almost 1 km².) garden and is located in south Bangalore. It holds a number of flower shows, especially on the Republic Day (26 January). The garden has over 1,000 species of flora. The garden also has trees that are over 100 years old.