You can make MUSHROOM by combining CAVE BACKGROUND and GRASS. Category: bouncing. This seed grows fast, less than 1 minute. MUSHROOM gives experience points when broken. MUSHROOM can be broken. Seed mathematics is very complicated, but you should get at least 1 seed back from splicing MUSHROOM. Will you strike it rich? You just have to count the gems yourself. Blockratio of MUSHROOM is a mystery. Maybe you can check the wiki for <a href="https://growtopia.fandom.com/wiki/Mushroom">mushroom</a>