Warped and crimson fungi can be grown into huge fungi. Additionally, the warped fungus scares away hoglins, making them a vital part of hoglin farms and nether bases that are situated in a crimson forest. It can also be crafted into warped fungus on a stick, which is used to control striders, and warped fungi itself is used to breed striders. Crimson fungi can be used to breed hoglins. Nether sprouts and roots have no practical use aside from decoration, however you can compost them to get half the bonemeal you used back.