Zyra Changes + Thoughts

What place do you think Zyra's in at the moment? Do you think her passive needs to be changed? And what should it be changed to?

If you guys didn't know, here's a brief history of Zyra:

Zyra was primarily picked as a support during Season 3 Worlds mainly thanks to PoohManDu, the ex-support of SKT. During her rise of fame, she was picked more (she wasn't top tier or picked heavily so...) and was a strong candidate for the Mid Lane if enough effort was put into it. Riot took this opportunity and nerfed her before people could bring her to the mid lane, fearing she would be too strong. Now 2 seasons later (and a few months) she's been looking deader than ever, extremely squishy and hard to learn for new players due to her amount of skill shots and 'new' plant system. I haven't included that with the new meta, the changes could be reverted for it to be in her favor.

Statistically, she has a very high win rate and that makes people think 'oh she's in a good spot' but personally that's only due to the amount of games people play using her. Out of all the high win rate champions she has one of the LOWEST amount of games played. Personally, I think it's due to the fact that many of the players that do play her, are experienced enough with her to know her true potential and all of her mechanics, while others tend to stray away from her due to the difficulty of her nature. She has no mobility, is extremely squishy and despite being incredibly rewarding if you are able to land one of your abilities and combo it up with your plants to maximize your damage, if she doesn't land her abilities, most importantly her E, then she's pretty much gone from the fight and has no presence other than her ult which is only up every so often.

What I think should happen to Zyra:

Personally, her ultimate feels weak and repetitive, it's literally one of those revenge-kill ultimates that feel really useless. Like Azir, her plants bonus attack speed should not be determined if she puts it into the field of her ult or not, but instead replacing the bonus cooldown reduction on her W. Instead of 2/4/6/8/10% CDR, I feel that it should be 10/20/30/40/50% ATK Speed to her plants permanently.

Now now, I love the bonus CDR too so don't start hating on me just yet. I would LOVE a new passive on Zyra instead of making her another version of Kog'Maw. So I think either the bonus CDR should be shifted to her passive along with how it currently is, giving 4 / 7 / 10% CDR at levels 1/6/11 or 1/5/9. For her new passive, I'm not sure what it would be yet. I think it should be something along the lines of Yorick or Jayce, giving her bonus stats on the amount of plants or extra movement speed whenever a seed turns into plant (/ is stepped on).