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I have about 3 or 4 cactus blocks that I found during an excursion, but it was really far from my base and there wasn't a lot of it. Instead of making another long excursion just to search for more cactus, is it possible to plant what little I have in such a way that it will grow more cactus blocks for me to harvest?

If so, what is required for cactus to grow? I know trees only need light. Wheat needs water within 4 blocks and light, and reeds need water adjacent to them. What are the requirements for cactus?

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Cactus must be placed in sand, and not adjacent to another block. Diagonally adjacent is okay.

It will grow even in complete darkness, and does not need water.

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    Catcus grows fully (three blocks height) in roughly one gameday.
    – badp
    Commented Oct 9, 2010 at 15:03
  • Are there any other requirements? Water, light, etc.?
    – Invader Skoodge
    Commented Oct 9, 2010 at 15:39
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    It's also worth noting that any snow on top of the cactus will halt its growth, so put a roof over it or a heat source nearby if you're in a wintery area.
    – Brant
    Commented Oct 9, 2010 at 17:13
  • @Strix: water is not required and moonlight is enough.
    – badp
    Commented Oct 9, 2010 at 17:38
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    Just tested it, and cactus does not need light to grow. Likewise with sugar cane, although sugar cane requires adjacent water.
    – Joe Dovahkiin
    Commented Aug 28, 2011 at 10:38

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