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Can trees grow without sunlight?

Ok, so I'm trying to plant this tree underground and it's surrounded by torches and directly under a 4x4 sky light. It's a normal sapling on 5 deep dirt. I've used like, 10 bonemeals on it and it isn't working.

Am I doing something wrong?

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marked as duplicate by OrigamiRobot, MBraedley, Krazer, bwarner, John the Green Oct 22 '12 at 1:15

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Hello, CtK, and welcome to Arqade! Unfortunately, your question is quite vague - are you sure the tree has enough room? Trees can only grow if they have enough room to do so. Would it be possible to provide a screenshot of your situation? –  Raven Dreamer Sep 30 '12 at 1:06

1 Answer 1

Trees need 7 blocks above them to grow, depending on sapling type. They also have a minimum horizontal requirement as well. Hollow out more space. If you use bonemeal and nothing happens, then you don't have enough space.

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It's worth adding even more height, in my opinion, so you can get huge type trees. Also, a torch directly next to the sapling will provide sufficient light. –  Jonathan Drain Sep 30 '12 at 1:38
    
I should point out that sometimes if a tree can be nothing but big (because of tree farms or terrain) it takes more than one bonemeal to make it grow. –  Ender Sep 30 '12 at 9:58
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@JonathanDrain I personally like to keep the height low enough so big trees can't grow, because they're such a pain to harvest. It's personal preference, really. –  StrixVaria Sep 30 '12 at 11:37
    
I have had trees require significantly more than 10 bonemeal to grow if the growth area is highly constrained. –  John Sep 30 '12 at 23:28
    
If you're building an indoor tree-farm and worried about tree height, why not build a balcony (into the wall, so as not to obstruct growing height) so you can walk straight onto the top of the tree from there? –  Robotnik Oct 11 '12 at 4:31

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