It contains the right mix for all types of container plants and includes sphagnum peat which is ideal for acid loving plants, such as blueberries and. Webapr 12, 2020 · costco has brought out their seasonal gardening items with organic soils. They have miracle gro organic choice potting mix in a 55 qt bag for $8. 99 and whitney. A blend of sphagnum peat moss, composted bark fines and natural.
