sawdust as a rooting medium?

cousinfloydMarch 19, 2013

Is sawdust of any use as a rooting medium?

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10+ years old yes it can be found at old saw mills. anything less it is not advisable

    Bookmark   March 20, 2013 at 12:31AM
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Wouldn't 10+ year old sawdust basically be compost? I was thinking fresher sawdust might be more like perlite as opposed to soil/compost.

    Bookmark   March 26, 2013 at 4:58PM
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Fresh sawdust will rob nitrogen from the cutting as it breaks down. I would not advise using that medium for rooting. You need something that is more neutral and stable.

    Bookmark   March 30, 2013 at 10:02PM
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I was thinking of sawdust as something just to hold moisture (as a perlite substitute or something like that.) I wouldn't think fresh sawdust would break down fast enough to need to worry about what would happen as it breaks down, particularly not if it were just used for a short period for just rooting a cutting. In other words, over the short term sawdust would seem awfully neutral. And a fig cutting while it's just rooting doesn't need nitrogen anyways, does it? What am I missing? It sounds like the bottom line is that it doesn't work, though. It would seem too easy for others not to be doing it if it did work.

    Bookmark   March 31, 2013 at 9:48PM
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