Costco offers a wide range of products from gourmet foods to cleaning supplies. The warehouse club also has some garden products that are great buys.

BUY BULK: If you need potting soil, mulch or any kind of soil amendment ... bag of 4-4-4 than it is a 5-pound bag. Go in with a gardening friend or two and share the cost. Or, you could go ...

To make up for the bulk lost by excluding soil, potting mix has a greater amount of perlite and/or vermiculite in it. It is somewhat lighter than potting soil and much lighter than garden soil.

It’s the same quality as the bagged stuff at the hardware store, but if you can haul soil in bulk from your local garden store, you’ll save a lot. Just be sure to use only garden grade soil ...

In some years, the dirt in your garden yields decent tomatoes ... decomposing materials like leaves or grass. Soil amendments are sold in bags, in bulk or can be free if you make compost at ...

Too many grounds could be harmful to the very insects that keep soil healthy. "The coffee grounds contain caffeine and ...

and improve the soil’s ability to handle water and nourish your crops. Quality bagged compost can be pricey at garden centers. Unearth local sources of bulk compost by checking Craigslist ...