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Hyponex Soil Warning!!!!

Posted by fadi (My Page) on
Thu, Oct 11, 07 at 3:53

Hyponex soil is the cheaper brand of potting soil you can find at most Walmart's, Dollar Tree's(seasonally) etc etc, by far this "potting soil" was the worst soil I have ever worked with, it was denser than dirt, it did a horrible job absorbing any water (the water sat on top of the soil for hours), the small amount of perlite in the mix all rose to the top and to make matters worse their were tiny rocks and pieces of un-decomposed organic material, as the saying goes "You get what you've payed for"


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RE: Hyponex Soil Warning!!!!

Well, I responded to your post over in Frugal gardening forum and will add something here but first - -

Fadi, you are restating almost exactly what Colorado State University researchers found out with Hyponex. The titled it "Consumers Beware Potting Mix Choices":

"Hyponex All Purpose Potting Soil and Green Charm resulted in poor plant growth. Both of these media contain sedge peat, a fine particle material that tests to a low porosity. There simply isn't enough space within these media for the water and air that plant roots need to grow successfully."

The CSU folks were also critical of Black Gold Organic but not because of the cheap materials. I think the problem was low fertility and that is because of incomplete composting of mushroom compost if I could hazard a guess. That sort of thing has been noted elsewhere with mushroom compost.

I went from BG All-Purpose to Organic years ago and immediately noticed a drop in fertility. What I do is as soon as seedlings are tall enuf for overhead watering - I sprinkle the flats with a good dry organic fertilizer (Whitney Farms) before sprinkling with water. That seems to do the job and keep the process organic, as well.


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