When you break a leaf block, or when a leaf block decays after a tree has been cut down, there is a chance that it will drop a sapling. Plant some saplings in dirt on dirt or grass and you have a tree farm! Tree Farms Light Trees need light to grow, so remember to place torches or other light sources about the place if you are growing trees indoors. Each sapling needs to be within 5 blocks of a light source. Height You can only harvest wood 7 blocks high from floor level, so it often makes sense to build a roof over the farm so that trees are never too high to harvest easily.
Learn how to play the game here, but here are the practical considerations. With our Minecraft walkthroughs, but sometimes they grow huge and have lots of branches. A roof with 7 blocks of space beneath it will allow oak — the jungle giant form can be grown by planting 4 saplings in a square and applying bonemeal.