Last Updated: April 28, 2019

Definition - What does Florigen mean?

Florigen is the key hormone in the cannabis plant that promotes flowering. The plant’s system starts producing florigen when the days grow shorter and the nights grow longer.

Chemical compounds start being produced in the growing points of the plant, which spurs another chemical reaction in the leaves of the plant. The plant's system flows the two chemical compounds together to create the flowering hormone known as florigen.

MaximumYield explains Florigen

The manipulation of light/darkness exposure causes florigen production in a marijuana plant to increase, which encourages the plant to achieve bud and flower production.

In 1865, the German scientist Julius von Sachs was the first to discover florigen. A marijuana plant cannot flower without florigen production, which is the key flowering hormone in the plant’s system.

The cannabis plant is considered a short-day plant, which means it starts to flower when the days start to shorten and the plant is exposed to longer periods of darkness.

It has been discovered that exposing a marijuana plant to pure darkness for a period of 24 to 30 hours will stimulate its production of florigen by increasing its flowering night cycle. This allows a grower to synchronize a cannabis plant’s pre-flowering stage and control its production by inducing flowering.

This definition was written in the context of Cannabis
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