Do I need lime for this soil mix?

speciesonlyApril 2, 2014

Hello all, this is my first post. I've been growing peppers for several years and I have been playing with mixes recently. I've gotten I ideas from this forum and others and I was wondering if this type of mix needs lime added to it?
5 fine pine bark mulch
2 shredded pine needles
2 jungle growth
1/2 sand
1 perlite
1 peat sphagnum
Crushed egg shells
Thanks, Michael

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greenman28 NorCal 7b/8a

Yes, that type of mix could benefit from the addition of Dolomitic Lime.

I would eliminate the sand and eggshells completely.


    Bookmark   April 2, 2014 at 11:21PM
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Thanks for the info greenman, I really appreciate it.

    Bookmark   April 5, 2014 at 7:31AM
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I would lime it. Ca. & Mg. also PH

    Bookmark   April 5, 2014 at 8:45PM
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greenman28 NorCal 7b/8a

Pepperdave, Dolomitic Lime provides both Calcium and Magnesium :-) Dave, I probably misread your post. You were explaining that the Lime provides Ca and Mg, plus raises the pH? Sorry, didn't mean to come off as corrective if that's what you intended.


This post was edited by greenman28 on Sun, Apr 6, 14 at 12:47

    Bookmark   April 6, 2014 at 12:10AM
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seysonn(8a WA/HZ 1)

What is"Jungle Growth"?

If you fertilize with things like MG Shake n Feed, perhaps you won't need to add lime, since it has both calcium and magnesium.

I also don't see a purpose for adding sand.
And about eggshell there seems to be a lot myth running around about it.. The eggshells that I added to my compost almost 6 months age, are still intact. Sea shells are even more durable. It is like adding cast iron to soil and hoping that it will be iron (Fe) source for plants right away.

    Bookmark   April 6, 2014 at 5:33AM
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Almost nothing that you add to soil will be available right away. Egg shells are a good long-term source of calcium as are sea shells.

    Bookmark   April 6, 2014 at 10:40AM
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that is what I meant greenman . Lime is cheep and I use it religiously every other year in the soil and definitely in home made potting mix. Other members might not need lime where they grow ,but here in S. Jersey its necessary.

    Bookmark   April 6, 2014 at 6:52PM
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Ohiofem(6a Ohio)

Three of your ingredients have a very low pH: pine bark, pine needles, and peat. I would definitely add dolomitic or agricultural lime (not hydrated lime) at rate of about a tablespoon per gallon of finished mix. As pepperdave said, it also supplies calcium and magnesium. MiracleGro Shake and Feed won't raise the pH or supply enough calcium and magnesium.

    Bookmark   April 6, 2014 at 7:53PM
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