Sustainable Garden Starter Kit: 10 Must-Have Products for the New Green, Grower

Organic Soil

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organic mechanics soil photo
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If you're planting outside, you probably have enough soil once you've tilled your plot -- but for raised beds or container gardens, you may need a bag of soil -- preferably an organic one, like Organic Mechanics, which is peat-free and made from compost, pine bark, and perlite.

If you're checking out other brands at your local gardening center or nursery, look for those that are certified by OMRI (the Organic Materials Review Institute), and be wary if the first ingredient is poultry litter or manure: If the chickens aren't fed organic feed, then their manure isn't organic, either. (Organic Mechanics, $6)

Photo: Organic Mechanics