What is the difference florigen and other growth hormones?

Differences between florigen and other growth hormones are

Florigen :
It is a hypothetical hormone and has not been extracted from plants.
It also is supposed to be synthesised in leaves.
Florigen is formed only when the plants attain a specific reproductive maturity.

Other Growth Hormones :
All plant growth hormones have been isolated from plant sources.
They are synthesised in apical meristems.
Growth hormones are formed in ail stages of plants including seed germination.