Minecraft wiki entry for Flower_Pot, associated text: The flower pot is based on a suggestion from Reddit, like ender chests and item frames.[8]
Flower pots break falling blocks.
If a plant that has been named is put in a flower pot, the plant loses its name.
The inside of the flower pot in Java uses the center 4x4 pixels of the dirt texture while Bedrock uses the center 6x6.