Whatever nute line you choose, make sure you know what the NPK is on each solution... Most of them just say things like "everything your plant needs for all stages of growth" or some horseshit like that.... which is patently untrue because different strains react differently... and you need to know what you're giving them so if you run into trouble, you have some idea of who the culprit is and can make adjustments.
You'll get a lot of different answers here to your question.... but a good idea is to go through some diaries of organic grows and see what you think (it will also give you a good idea of how much of what seems to work at what stages) .... you can find a whole ton on this site.... go to this link and have a gander at some of them!
growdiaries.com/explore
Good luck! Looks good already!