Overgrowth Patch 5.1 is a release file of the Minecraft resource pack Overgrowth 32x [1.18+], made for Minecraft 1.17.1, 1.17-Snapshot. It was published on July 30, 2021 and is 33.2 MB in size. For the full description, screenshots and every other version, visit the Overgrowth 32x [1.18+] resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.