In 1924, a local farmer brought cuttings from a mandarin grove in Bangkok Noi District and planted them at Bang Mot, Thung Khru District near Bang Mot canal in 1924.
This area has very fertile soil with elevated levels of potassium giving the fruit a sweet-sour taste.
[1] There were up to 96 square kilometres (37 sq mi) of tangerine groves in the past.
Flooding in Thon Buri in 1967 killed many of the Bang Mot tangerine trees.
Then the skin will change from orange to brown and rot, leaves will be pale yellow and fall.