It's more expensive than non-organic varieties Some buyers complained that their bags of soil had mold or mites “The potting soil did all the work,” writes one satisfied home gardener on Amazon.

If, however, you had a diseased plant previously in the potting soil, or one that suffered from houseplant pests, it's best not to reuse it for other plants. Otherwise, you may spread the problem.

Adding soil you buy from your local garden center can be good for your plants ... bags labeled potting soil, planting mix, soil conditioner and compost. How do you select the best one for your ...