Hey Arammus! :D
So I play
a lot in the Support role and sometimes in Mid if people need to swap. When it comes to items, what was already been mentioned is a good example of how to build her:
and then the last item can be your choice if you want to get
or something defensive/supportive. I mostly go full damage because along with her plants being easy to kill, so is she since she’s an easy target - unless you get the jump first.
Zyra 2020 definitely needs to happen though with some minor changes/enhancements and a bit of an increase to her damage.
But overall, you can also search on Google “Zyra Mobafire”, and look for the guides with the most votes/most helpful. Also using YouTube is a great tool to view how other Zyra mains/Pros are playing her.
How I play her is that I make sure I’m timing my roots correctly, especially if you can see the enemy jungler making their way towards you. I RARELY ever summon a Vine Lasher. When I’m making the jump on a incoming unexpecting enemy, or group of them, I’ll: E>R>Q+W. Try to place seeds apart so your plants aren’t easily destroyed in one spot.
Good luck! <3