Ingredients are Canadian Sphagnum Peat Moss, Compost, Composted or Aged Bark, Earthworm Castings, Horticultural Grade Perlite, Pumice, or Cinders, Resilience. Resilience is a trade name of Sungro for Silicon, is a beneficial plant substance. Plants grown with Black Gold Resilience silicon, already in the mix, may result in earlier flowering, better root growth, and improved resistance to wilting. Results will vary by plant type.