Plants and Easy Sprite-Based Shadows

I'm trying to get better at making plants when it comes to pixel art, since my latest reference was little stuff in my itch.io game Splatyard. I also started adding little shadows to my sprites, by setting the opacity of pitch black to 25.0, which I found can look really nice for imitating sun angles on a 2d space.

Here's one of the flower sprites I ended up making.