The background for one is an awesome win, I love that you managed to create a solid green and that it looks overall like it's been almost sludged together - as if someone took a bunch of green clay and molded it around and around, because it has tones to it even though it's a solid color. It's also dark enough that it causes the dandelion to really pop out ^^
The detail of said dandelion is absolutely fantastic. I really love how you managed to capture some of the seedlings dropping out, the way they are getting tangled up in each other, the detail of their white bits, the way they look so fuzzy and small. You've even caught a glimpse of what the center looks like.
To me, this is a wonderful dandelion shot, and it's something I really quite like, because it has a different edge than some of the other ones, I find. It's detailed without going really, really macro, if you get what I mean. I'm glad you kept trying until you got this shot! Perseverance!