Leaves turning yellow, problem with soil??

randers3March 4, 2008

I have a lucky bamboo plants that I've had for 4+ years, it is now about 2 1/2-3 feet tall, that I now keep in soil. Lately I have noticed that it's leaves are turning yellow and there is a white substance on top of the soil. Is this stuff mold? Should I change out the soil? It is in a container that is pretty big, but it doesn't have any means of drainage on the bottom. Should I also change containers? I have also heard that some people mix sand in with the soil... should I try this too? I appreciate any help... although I've had the plant for years I haven't done much research on it.

Thanks!!

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rhizo_1 (North AL) zone 7

Most containerized plants do much better in a smaller sized pot, and drainage holes are a must. There is no way to properly water your plant without the holes. This means that there will be a build up of fertilizer salts (which is the probable cause for the white stuff), and a severe lack of oxygen in the soil system. Oxygen is essential for the continued development of roots.

Sand is really not a good amendment for your potting soil. It tends to pack into the pore spaces, which is the exact opposite of what your plants need. A good potting medium should be extremely porous and coarse textured.

    Bookmark   March 4, 2008 at 3:31PM
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randers3

Thanks for your help. So regular potting soil is fine?

    Bookmark   March 4, 2008 at 3:52PM
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rhizo_1 (North AL) zone 7

Make sure that the potting medium is coarse textured. Adding some bark soil conditioner would be a plus. I'd suggest perlite, but Dracaena sanderiana is among those plants that are sensitive to the fluoride that perlite contains in appreciable quantities.

    Bookmark   March 5, 2008 at 11:22AM
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randers3

I've just done some research on hydroculture systems. Do you think this would work well for this plant?

http://www.purlec.ca/howitworks/index.html

    Bookmark   March 5, 2008 at 1:38PM
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