Interesting game, the concept feels different and it's really nice
I couldn't get my head around the mechanics at first but then as most people mentioned it gets really easy.
i played around with the different cards seeing how it affects the growth on the cactus and everything works well, but it needs to be longer, and i couldn't find an scenario where i would lose, so maybe will be nice if you play around that part adding more difficulty to it.
I see a lot of future on the game if you twitch that, and maybe improve a bit on the music and work around the graphics, which are nice now but i think among time it can get better.
Keep up with the great work, this is really nice!