Will auto flowers grow nicely in this? http://m.homedepot.ca/Product/productdetails.aspx?ProductId=917861&lang=EN Nature Mix All Purpose Potting Soil is an organic indoor/outdoor potting soil. This premium mixture contains peat moss, enhanced compost, perlite and vermiculite. A special mixture rich in organic matter and provides excellent aeration and drainage while enhancing your plants' nutrient retention. Ideal for new potting and transplanting existing plants. Available in a convenient 10 litre bag, ready to use.