What a cute game!! Love it. The presentation is gorgeous. Great job!
As for my feedback, the last thing you have to do is a bit too unexpected/sudden, so it's hard to be sure as a player that that is the intended route. Maybe the solution would be to make the player take care of both themselves and the plant across multiple days, until one day there are not enough resources for both of them, and the player has to make a difficult decision.
Apart from the obvious similarity to Minit, I'd also like to draw some comparison to The Stillness of the Wind.
Once again, well done! Making a game in such a short span of time is a feat and you nailed it. :)