Worm Composting

Ever heard of worm composting? Or vermicomposting? It’s the same thing — using worms to create compost for your garden. It’s easy, inexpensive, and makes a great project for gardeners of all ages.

Follow this step-by-step to start composting with worms — it’s like an organic garbage disposal, with your garden as the winner.

 

1. Choose your container. Wood or plastic works well, but to make is super simple, reach for one of those large plastic storage containers with a lid. You’ll need one that is 8-12 inches deep (plastic sweater storage containers are great). You can also find ready-made worm bins online or at a specialty garden center.

2. Order your worms. Plan on two pounds of redworms (about 2,000 worms) for every pound per day of food waste. If you’re not sure how much food waste your household produces, track it for a week and divide that number by seven. Worms can be ordered online after doing a quick Internet search.

3. Decide on the container location. Redworms prefer temps of 55-77 degrees, so a cool garage or enclosed porch could be ideal. Also, it’s interesting to note that worms are kind of like people in that they don’t like a lot of excess noise and vibration, so avoid putting the bin in high traffic areas.

4. Prepare the bedding. Soak a large amount of shredded newspaper in water, and then wring it out so it’s moist rather than dripping wet. Place it all in the bin until the container is 1/3 to ½ full. Add a bit of sawdust, fine sand, or ground eggshells to the newspaper so the worms have something gritty to help them grind up the paper.

5. Add the worms. Dig down to the middle of the bedding and place your worms in that space. Cover the bin and set it aside for about a week for the worms to settle in.

6. Add kitchen scraps. After the first week, add kitchen scraps like fruit and veggie peels, crushed eggshells, tea bags, and coffee grounds. Avoid meat and dairy. Add just a small amount once a week — if you add more kitchen waste than the worms can process, you’ll end up with a stinky garbage bin.

7. Monitor the bin. If the bedding looks dry, mist it with some water. If it’s too wet, add dry newspaper strips to absorb the excess moisture. Other than that, sit back and let the worms do their thing.

8. Harvest. Once the bedding starts to disappear and the contents of the bin look more like soil (about 1 ½ to 6 months), it’s time to harvest. To harvest, push the bin’s contents (compost, partially composted materials, and worms) to one side of the bin. Pick out the partially composted materials and place them on the empty side of the bin, and add more kitchen scraps on top. Replace the bin cover and leave alone for a couple of weeks. The worms will migrate over to the new food, leaving the fresh compost for you to take and use in your garden.

 

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