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What do you think about this potting mix?

Posted by hotzona_2007 Zone 9/Tucson (My Page) on
Sun, Aug 8, 10 at 21:50

I have a miniature rose that I plan on repotting into a larger pot around Sept when the weather cools down some. I am thinking of using an equal mix of MG organic potting mix, Supersoil Palm & Cactus mix, and OMNI planting compost/seed cover.

The Supersoil Palm & Cactus Mix ingredients are:
Aged & processed softwood bark & sawdust
Sphagnum peat moss

MG Organic Choice Potting Mix contains:
50-55% composted bark
Sphagnun peat moss
Pasteurized poultry litter
Organic wetting agent (whatever that is lol)

The OMNI Planting Compost/Seed Cover only states that it is made from forest products.

Would this be an ok mix to use, or should I nix the idea?
I did an experiment with this mix in a 5 x 5 1/2" plastic pot, and it would need to be watered every day to every 1 1/2 days. I know it may stay damper in a larger pot, but not sure, at the high temps we've had the last few days. I definately don't think it would stay too wet, though.

I have also thought about maybe adding some eucalyptus bark, broken up into pieces as I have 2 huge trees here that shed their bark like mad. Would this be ok to use, and if so, how much?

I posted a similar message on the miniature rose forum, but received no responses, so thought this forum might be
more appropriate. I am in the process of trying to locate
the ingredients for Al's gritty mix, but thought in case
that is undoable, I could maybe use the above mix instead.


Follow-Up Postings:

RE: What do you think about this potting mix?

Nix it, in my opinion!
Pumice and composted bark are the only two ingredients I would use from that list.


RE: What do you think about this potting mix?

Ok, will do, Josh. Will keep pursueing the Al mix ingredients. Thanks for your input!

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