All from scratch and submitted 15 hours before the deadline? Brave :D
The tutorial was to good to help me understand the functionality of each UI element but it was not clear when I could plant something and what I needed to do first to plant. Cycling through the seasons is clever especially when you can isolated it to a specific tile and not just the entire map but it did not feel like "rewinding" more like "cycling". Still, a cool concept that should be expanded upon further.
My recommendation, work on maybe adding one season at a time along with the available crops for that seasons to teach the player which crops can be planted depending on the season and walk us better through how to prepare the soil to do so.
The "extra goals/objects" is also a nice touch