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modified gritty mix for fabric (ground wicking) containers?

Posted by hairmetal4ever Z7 MD (My Page) on
Wed, Mar 12, 14 at 23:17

I might end up using fabric pots (Smart Pots) for many of the tree seedlings I'm growing. Since fabric pots are porous and mine will be in touch with the ground, they will not have the PWT issues that a standard container will.

However, I like the gritty mix idea as it's more "permanent" and does not degrade over time...and some of these plants might be in containers long enough to justify using the gritty mix (being up-potted of course to bigger smart pots).

However, lots of evidence says the standard gritty mix would drain and dry too fast with ground contact.

So I could I modify it?

My first thought, use sharp sand instead of the crushed granite. But then I ran out of ideas.

Sharp Sand, Peat, and maybe still use the Turface in a 1-1-1??

Any ideas?

Follow-Up Postings:

RE: modified gritty mix for fabric (ground wicking) containers?

  • Posted by tapla z5b-6a mid-MI (My Page) on
    Wed, Mar 12, 14 at 23:26

I'd skip the gritty for that application and go with something that holds more water, is cheaper, and easier to make - like maybe 5:3:1, screened bark: unscreened Turface: peat. It doesn't make sense to go through the effort/expense to make the gritty mix if you're not going to, or in this case - NEED to, tap into all it has to offer.


RE: modified gritty mix for fabric (ground wicking) containers?

I'm just so confused by all this. I totally "get" the concept of PWT and why it's an issue, but I also know that fabric pots have ground wicking the moisture out - what I *don't* want to have happen is this...

I water my plants (in the fabric pots) at 7:00 when I leave for work, and come home at 5 and they're already wilted from summer heat and sun.

I *almost* had that happen even with MG mix last summer a couple times!

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