A message from George Mander:
Just happen to check out this forum! Never had much time lately.
On my website I have a link to the Co. called "Sun Gro"
Give you the link to "Sun Gro" below.
You can find my site on GOOGLE under "Roses of Excellence"

Good luck to find the mix in Florida.

Here is a link that might be useful: SUN GRO Horticulture

Thanks George for responding. I apologize for the mispelling of your name. I talked to the folks at Sun Gro, and they didn't have the mix you mentioned but something similar LA4 Aggregate. I had them order me 2 bags at my nursery. It basically seems like a perlite/peat mix with other trace ingredients. Not sure how much better it will work than my own concoction of 1 part miracle gro garden soil, 1 part peat, 1 part vermiculite which has been working well. The LA4 looks like it dries out quicker than the mix I have made.

Hello again,
This mix, "LA4 Aggregate perlite/peat mix with other trace ingredients" is the perfect mix. The # 4 MIX I have has the same ingredients.
It's major components are Canadian Sphagnum Peat Moss, Perlite, Dolomite Limestone (pH adjuster) and a wetting agent.
Please note, I would suggest never to use garden soil for the mix to make own root cuttings. The very well known "Mr. Miniature", Ralph Moore also told me: "never use vermiculite for making your own mix". Always use perlite !!!
Read my article, link below.

Here is a link that might be useful: Cuttings from Cuttings, from Cuttings...

where to buy sunshine mix #4