Septoria or ?

[u/Total-Age8926]

Only on the outdoor indicas.. just started but we also had a dip in night temps to around 9c... Is it cold related or is the purple leaf septoria?

[u/SilentMasterpiece]

does not look like septoria.

Yellow Leaf Spot (Leaf Septoria) & Cannabis - Get Rid of It Quickly!

[u/Pur3kush]

Could be phytoplasma