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vermiculite....good or bad?

Posted by Hopesndreams 5 (My Page) on
Wed, May 16, 12 at 23:37

Is vermiculite good or bad to use in a succulent mix? I want to make sure I make the right mix for my plants. Just confused on what I should be using after reading so many posts. I have a huge bad of vermiculite and am hoping it would be good at add to my potting soil.


Follow-Up Postings:

RE: vermiculite....good or bad?

Umm isnt that what they use for plant mix at the stores? If so i wouldnt use it ... since cacti like to dry out between watering it dries up and forms a block that doesnt absorb and more water and it just washes by it ... and then your cactus never recieves water again ...

or maybe

Or maybe im Thinking of peat ... but heres a link to a similar post ...

Here is a link that might be useful: other post

RE: vermiculite....good or bad?

I have used perlite and vermiculite for many years. I prefer large grain perlite, as vermiculite can have various effects on soil pH. I do not use more than say 20% if I use it. It does help with aeration insulation, but degrades quicker than perlite I believe. Here is a link that would require some reading, but there is lots of info.

Here is a link that might be useful: Perlite & vermiculite

RE: vermiculite....good or bad?

Woah beach where do you even start on that o_o

RE: vermiculite....good or bad?

Very informative link, Rian. I've been told that vermiculite is a fine addition to soil when used as Rian suggested. I don't use it only because it's much more expensive than other materials available.
Many of us mix our own soil and everyone does it a little differently. You can try to follow the 'gritty mix' guidelines but I haven't been able to acquire all the ingredients.
What I do is to sift all the fines out of each of my components with a large wire strainer. I start with either bagged cactus soil or regular potting soil. I add volcanic pumice and Napa oil absorbent, together making up about 50%. After sifting our all the fines, this mix is a little too gritty, a little rough in my opinion. I like to add fines back into the mix in the form of coco peat which does not become hydrophobic. I don't add much, but enough to add some buffer between all the sharp grit. I don't really measure anything, just shoot for a certain texture.

RE: vermiculite....good or bad?

I think at Uline the Vermiculite is not too expensive. Because such a 4 cu. ft. bag makes a lot of soil mix.


Here is a link that might be useful: Vermiculite

RE: vermiculite....good or bad?

Thanks Jordi! I have their catalog!

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