Public Gardens in Sri Lanka

Botanic Gardens at Hakgala

http://www.botanicgardens.gov.lk/?page_id=4380

Henarathgoda Botanical Garden

https://en.wikipedia.org/wiki/Henarathgoda_Botanical_Garden#External_links

Mirijjawila Botanical Garden

https://en.wikipedia.org/wiki/Mirijjawila_Botanical_Garden

Royal Botanic Gardens at Peradeniya

https://lakpura.com/royal-botanical-gardens

Seethawaka Botanical Garden

https://en.wikipedia.org/wiki/Seethawaka_Botanical_Garden