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How to Compost with Red Wigglers

How to Compost with Red Wigglers | GoodGirlGoneGreen.com

Why we should compost with red wigglers

Landfills are one of the largest sources of greenhouse gases and other pollution to our atmosphere. The majority of trash is composed of food scraps. How much garbage would you be left with if you were taught how to compost with red wigglers?

The trash in landfills decomposes over time creating methane, a global-warming gas more potent than carbon dioxide, and other greenhouse gases. Composting can significantly reduce the amount of solid waste that would otherwise find its way into a landfill.

Feeding your lawns and gardens with compost allows them to thrive in a soil that is rich in nutrients without depending on chemical rich fertilizers. It also helps to suppress plant diseases and pests.

How to compost indoors and/or outdoors with red wigglers

As you all know, my red wiggler worm experiment ended in tragedy. And I definitely learned a lot from my experience. Mostly, what not to do.

So I thought I would share how to compost indoors and not kill your worms in the process. Sound good?

Did you know that one red wiggler can eat half of its own weight in food scraps every single day? The worms convert the food scraps and plant matter in the bins into an amazing all-natural plant fertilizer which is known as “worm casting,” aka worm poop.

That is a lot of waste that we can keep out of the landfills.

Composting with worms is not always worry-free, and does require some work and attention. However, please do not let this discourage you- roll up your sleeves and be prepared to reap the rewards!

  1. You will need a wooden or plastic bin  (<–affiliate) approximately 20″ long, 12″ deep and 16″ wide or bigger, depending on your composting needs. You can also purchase your own worm bin (<–affiliate link), which is a great alternative to making one yourself.
  2. Some people prefer wood due to the fact that it is more absorbent and a good insulator for the worms. Wood breathes better than plastic and it absorbs moisture. Air flow is important when composting with worms.
  3. Cedar is the best option because it will not rot and does not need to be treated. Reclaimed cedar or sustainable cedar (FSC) are great ways to use wood in a sustainable manner.
  4. However, a plastic bin will do the job just fine, especially if it is either a used bin or one made of recycled plastic – the planet will thank you tremendously.
  5. Place your bin in an area where it will not overheat or freeze, such as the garage, under your sink, or cupboard or even outside on the patio or in your shed. Ideal temperatures are from 50-85F. Do not make the same mistake as yours truly by keeping your worms outside in Kansas in the middle of the summer, where the temperature goes well above 85F. This leads to dead, yucky worms!

How to make your worm bin

  • You will need two bins that are a solid color (worms are sensitive to light) and one lid. One bin will be the worms home and the other to catch the excess water.
  • A  tight-fitting lid is key. Drill ten 1/4″ holes in the lid for air circulation.
  • Drill holes (1/4”) around the sides of the bin, preferably on the upper half as well as 1-2 holes in the bottom of the bin for drainage.
  • Take the second bin, and place a small block in each corner.
  • Place the worm home on top of the blocks. Now you have a double-decker worm home!
  • For the bedding, take shredded paper and soak it in water. Wring out the paper so it is just slightly damp.
  • Place the damp paper on the bottom of the worm bin.
  • Add your worms, but keep the lid off for about an hour. They will disappear into the bedding, due to their sensitivity to light. It’s lunchtime!
  • Once the worms are settled you can add some food scraps. Try to place the food under the bedding to help keep everything moist.
  • Voila. You are now worm composting!

You do not want to overfeed your worms like I did. Another lesson learned! You can slowly add your kitchen scraps daily. The worms will eat the food much faster if it is cut up into small pieces.

Once the scrap paper (bedding) has disappeared add more.

You can purchase your red wiggler worms, also known as, Eisenia Foetida worms online or from a worm farm.

Feed your worms

  • Fruit and veggies, but do not add too much citrus
  • Coffee grounds and filters
  • Teabags
  • Crushed eggshells
  • Used paper towels/tissue paper
  • Paper
  • Lint from your dryer
  • Soft green plant trimmings

Do not feed your worms

  • Meat, poultry, fish, dairy and grease
  • Kitty litter
  • Non-biodegradable items such as plastic
  • Animal feces

Harvesting your worms

  1. You will need to harvest your worms every two to three months. Move all the compost to one side of the bin. Now, put down fresh bedding on the other side and begin to feed the worms on that side.
  2. The worms will begin to wiggle over to the other side within weeks. Once they have migrated you can remove the “worm casting” from the bin.
  3. Another method is to dump and sort. Dump the bin upside down outside or on some sort of tarp in your garage. Take out the scraps that have not been eaten and place them back in the bin. Make small piles with the casting and watch as the worms wiggle away deep into the casting to get away from the light. Separate the worms from the casting and return the worms to the bin.

So now, go out and get some slimy worms and let the good times roll in the kitchen!

Here’s to your worm composting experience being much more pleasant than mine was.

Learn more about composting and gardening:

Sources: The Worm DudeLESEcology Center, and The City Farmer

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Reader Interactions


  1. Good Girl Gone Green says

    Stupid raccoons and opossums! Have you ever tried to make a wooden compost bin with a lid outside and lock it? Let me know, Cort, if and when you get a compost up and running!

  2. Sara says

    What wonderful.. and disgusting beings! Look at that list of what to feed them! It’s a dirty job but somebody’s gotta do it 😉 I like composting but am not quite there yet. A little bit too ick and not a big enough place to share with them.

    • Good Girl Gone Green says

      LOL, Sara! They are wonderful and disgusting, yes! Maybe one day you will be there.Baby steps, right? I found this really neat compostor thing where you can compost inside without worm. I am saving that for a post next week!

  3. Scott aka This Daddy says

    I wrote this on the last one. We use a plastic black garbage can and i drilled holes in it. put the stuff in it and watched it get nasty. Both of the bins stink so bad, but i have not noticed them breaking down. I toss the stuff and stir it and add water and trust me in Ga, we get the heat.

    I suck at composting

    • Good Girl Gone Green says

      When we finally get back home to Montreal, we are going to compost outside as well without worms. We are going to probably build a wooden bin with a locked lid. That way we can compost all year long! You don’t suck at it I am sure. At least you are taking the initiative to do it, most people won’t even try! Good on you for trying! 🙂

  4. Mary Jayn says

    I am really interested in composting but with the fast paced life I have, there’s no way I’d be able to take care of the little wormies! Heck, I can’t even take care of one stinking house plant! lol!

    I keep telling myself I should compost because it breaks my heart to throw out all those scraps. My boyfriend’s dad has a nice composting heap outside and it looks so simple. He actually never really does anything to it except add the scraps to the top.

    Thanks for reminding me Steph! I will definitely be looking into it… but not wormie style! lol!

    • Good Girl Gone Green says

      LOL, MJ! I actually found this really neat compositor that does not require worms and it’s for indoor use. I am going to write a post about it next week probably. That’s why I am writing this blog, to remind people about things they can do to make a difference! I am glad I got you thinking about it…that’s the first step to actually doing it! 🙂

  5. Erin says

    Hey readers, who’s got a composting experience gone good? I need to hear success so that I consider doing this at my place!

    • Good Girl Gone Green says

      Eric, I would compost again with worms in heat beat, but bring my compost to the farmer dave is just easier. The reason things went bad for me was from the heat for sure. Ask S.T how she likes it, I know she composts at home with worms.

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