Mojang added new mangrove trees to Minecraft with the 1.19 update. They are part of the new Mangrove Swamp biome that brings loads of new blocks and items as well.

Sacred Trees of Coral Island are the key to solving the mysteries and advancing the story; here’s where to look for them.

To create an incredibly simple tree farm, this example will utilize oak trees as they're broadly available in Minecraft and don't require specific size conditions for growth.