This was cute and I really loved the concept! Tycoon games are fun for me and it was a really great use of the 'Scale' theme. Choice of characters was also really nice to see and I adore seeing Yamame and Wriggle in the same game.
I agree with another comment saying that the generation of the flowers felt slow- I think it's fine to have them be slow at first, but upgrading them didn't really feel like an exponential increase the same way tycoon games are kind of balanced around. I didn't feel that big of a difference when I did.