Gibberellins are essential plant hormones that are very important in the development of many parts of plants. They play a key role in stem elongation, leaf expansion, seed germination, pollen maturation, and the beginning of flowering.
Gibberellins are acids that are produced in the plant plastids or the double membrane bound organelles of the cells. They were discover by a Japanese botanist in 1898 who was trying to learn about a diease that infecting plants. The disease was Gibberella fujikuroi which is gibberellins.