The farming calculator now allows you to select one of three locations: Outside, Greenhouse, and Inside. The inside speed is 0.1 of normal, so it's very slow, but can be quite useful.
I could still use lots of feedback on what to do next. I've made it possible to leave anonymous comments, so feel free to send me a message that way.
If you want to chat on Discord, you can join my server here: https://discord.gg/HcDyH4b