I knew destroying the first tree might be a problem, but I didn't expect the very first player to discover it! hahaha
You can even delete the starting building to get more room, but let's pretend that's a feature ;)
Thanks for reminding me of Plants vs. Zombies though, I completely forgot about that game but it was a big part of my childhood. It must have subconsciously been what inspired my idea for using sunshine as a resource.