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Vermicomposting 101: How to Make & Maintain a Simple Worm Bin

Starting a worm bin is one of the best steps you can take in your gardening journey.  It may not look like much, but a simple little worm bin is one of the driving forces of life and health on our homestead! When people ask how or why our garden is as lush and healthy as it is, I blame the worms. Vermicomposting (the term for composting with worms) is hands-down my favorite method of the four types of compost we utilize. We have been vermicomposting for over 12 years now!

Read along to learn more about vermicomposting, why it is so awesome, and how to set up and maintain a super simple worm bin at home! Plus, there is also a demonstration video of setting up a worm bin waiting for all you visual learners at the end of the post.

We buy our compost worms from Uncle Jim’s Worm Farm.

What is vermicomposting?

Compost is organic matter that has been thoroughly broken down and decomposed into rich nutrient-dense plant food. By adding worms to the equation, that decomposition is rapidly increased! This means you’ll have ready-to-use compost in no time. Vermicomposting doesn’t just create an extremely valuable and well-balanced natural fertilizer to improve your soil health – it is also an excellent way to sustainably dispose of some of your kitchen and garden “waste”.

Even if you don’t have a garden, keeping a worm bin is a stellar and easy way to divert some of your food waste from the landfill. Moreover, even if you live in an apartment with no yard at all, you too can keep a worm bin! We have vermicomposted while living in an apartment. Worms are very low maintenance pets. Contrary to popular belief, vermicomposting does not stink! When done right, that is… and that is what we’ll teach you how to do today.

From here on out, instead of going into the trash, your food scraps could instead be up-cycled into something miraculous: black gold! Also known as worm castings.

What are worm castings?

Worm castings, aka vermicastings, are an organic form of fertilizer produced by worms. To be blunt, it’s their poop. The most popular type of worms used for composting are Eisenia fetida, commonly known as “red wigglers”. As they eat through organic food scraps, garden trimmings, and the bedding (described more below) in the worm bin, they poop out an optimal soil enricher. Arguably the best soil enricher, ever!

A close up of a handful of finished worm castings. They're dark, rich brown and moist. A couple worms are in the handful too.
There is nothing better than a nice fat handful of worm poop! These finished worm castings were being added to our newest raised bed, as shown in the “Build the Perfect Organic Soil” post. A few worm friends are being introduced into the bed too.

Worm castings contain concentrated, highly-bioavailable nutrients from the materials they were originally fed. Even though the nutrients are more concentrated, worm castings are very mellow and cannot “burn” your plants like other animal manures can. This is because as the materials pass through them, they’re coated with a mucous membrane that turns the castings into the perfect little slow-release fertilizer granules. Beneficial microbes and bacteria are also introduced as the raw material passes through the worms body. If you have read my post about building the perfect organic soil, you already know how important beneficial microbes are to a healthy soil food web!

When added to your garden soil, worm castings increase soil aeration, drainage, and water retention. Worm castings also increase nutrient uptake by plants, and aid in seed germination. Some worms end up in our garden beds too, who then constantly turnover, enrich, and aerate the soil directly in the beds. Cornell University refers to worms as “a living soil amendment”. Worms are so amazing, they can even be used to bio-remediate contaminated soil, reducing heavy metals!

What do you think? Are you ready to start a worm bin? Good! Let’s do it.

An image of worm bin supplies on a garden patio table. There is a plastic tote bin full of brown fluffy rehydrated coco coir, a bag of compost worms, a stainless steel crock that holds food scraps, a pile of shredded newspaper, and a large empty bin, that will become the new worm bin.


1) A Bin

As you can see below, our bin is nothing fancy! (Chickens for scale.) There are plenty of neat worm-tower systems out there, but as long as I’ve practiced vermicomposting, this is what we’ve used: a heavy-duty storage tote with a lid. Choose a non-transparent plastic – worms like darkness! Also ensure the top lid area doesn’t have any holes, so rain can’t seep in. Pick up a bin at your local hardware store, Home Depot, or the similar.

Three images. One of the 35-gallon blue plastic storage bin, one image of holes being drilled in the top sides of it, and another of the bin from above, full of coco coir and showing the air holes added around the top edge.
“Did somebody say WORMS?” No birds. No.

This tote is 35 gallons. We’ve used bins as large as 55 gallons, and as small as 15 or 20 gallons. Choose what size you think will work best for you. We’ll talk more about location and climate soon, but if you do live in a place with extreme weather conditions, I suggest a bin no larger than this – so you can easily move and store it elsewhere as needed.

Using a quarter-inch drill bit, air holes have been added in the sides near the top. Note that there are no holes in the bottom of the worm bin. Many people get confused about this and ask, “but what about drainage?”  Well, a couple of things… One, if you add holes in the bottom, the worms will escape! Two, as long as you keep the bin the desired consistency and moisture level, drainage is not needed!

Some pre-made worm systems come with drainage catchment, but keep in mind the liquid that drains from the bin is NOT “worm tea” or “compost tea”. It is leachate, from an overly wet worm bin. Leachate is anaerobic (without air) meaning it is kind of nasty. It is not biologically active in the desirable or beneficial way that real compost tea is.

Check out this post all about how to make actively aerated worm compost tea (AACT)!

An image of a black storage tote with yellow lid, that has some holes around the outer edge of the lid. This is an example of what type of bin not to get. The holes are circled in the photo.
Nope, not playing tic-tac-toe, or giving you hugs and kisses… This is an example of the type of bin to avoid. Even though those holes seem like they’re on the outer rim of the lid, not leading directly into the bin itself, we have found they do let in a lot of water when it rains. Try to find a bin with a completely solid lid that wraps down around the top.

2) A location for your bin

Ideally, your worm bin should be kept in a sheltered location, protected from extreme temperature swings. Red wiggler compost worms are most happy and active at temperatures ranging from 55 to 85°F. Outside of that temperature range, they will slow down, eating less and reproducing less. This means that during the winter, you may have to gauge and adjust how much you’re feeding them, cutting back a tad from normal to make up for their decreased activity. In extreme hot and cold, they may die.

Freezing temperatures below 35°F or hot temperatures over 95°F can kill your worms.

Keep in mind the projected outdoor temperature doesn’t necessarily mean the internal temperature of the bin will be the same. A well-maintained worm bin with fluffy, healthy bedding and castings can naturally buffer and protect itself from temperature swings, to some extent at least. If you’re nervous about temperatures, I highly suggest getting a compost thermometer so you can check for yourself. We use one for the worm bin and our hot compost pile.

Our worms, like us, are spoiled rotten with our mild climate here on the Central Coast of California. They don’t have to worry about freezing or frying here. We can keep our worm bin outside year-round with little to no intervention. It is located on our side yard that gets some filtered morning sun and all afternoon shade. However, we have experience vermicomposting in more challenging climates! It is definitely possible!

Worm bins in the winter

If freezing winters below 35°F are the norm for you, plan accordingly. Can you permanently locate or move your worm bin inside a garage, shed, laundry room, or other spare space to help protect them from freezing? When we lived in Providence, Rhode Island while I was in grad school, our bin lived in the shared “indoor” hallway of our old Victorian house turned multi-level apartment. I put indoor in quotes because the hallway was not insulated, nor was it heated, so it was damn cold – nearly as cold as outside, which was in the single digits at times! We wrapped our bin in a large fleece blanket to help insulate it (wool would be even better).

Another way to keep worm bins insulated is to deep mulch inside the bin with a layer of cardboard then a lot of leaves on top. Ours weren’t all that active in the Rhode Island winters, but they survived. Here, we have occasional nights in the mid-30s during the middle of winter, and often forget to protect them at all. They’re tough little guys.

Worm bins in the summer

In the heat of the summer, definitely keep your worms in a shady spot with good airflow. If it’s crazy hot out, can you move the bin inside to a more cool location? Keep your worm bin away from radiant heat sources, like a hot south-facing wall.

If you can’t move your worm bin to a cooler location, and it’s projected be over 95°F, the following measures can help keep a worm bin cooler:

  • Putting ice cubes or blocks of ice on top.
  • Place a frozen bottle of water (wrapped in newspaper) down inside the bedding.
  • Stir and fluff the bin to release some heat, then place damp sheets of newspaper, cardboard, or burlap on top to cover the bedding and worms, and leave the lid off a for a little while.

All that said, we kept a worm bin for years while we lived in Chico, CA where summer temperatures were regularly over 100°F and occasionally over 110°F! We lost the worms only once in a prolonged heat wave. Other times, some died but some lived, so the population bounced back once the weather improved. Back then, I didn’t do many of the intervention techniques I just described. I was a busy, distracted college student – and the worms did okay. Try not to stress about it too much!

The way to fret and fuss over them the least is to keep the bin in a location with moderate temperatures from the start. Because Chico was so dang hot, the environmental department I worked for in college found it easiest to simply keep a worm bin right in the office. This was perfect both for temperature control and ease of access for use and maintenance.  Worms make for very well-behaved office pets!

3) Bedding

Once you have your bin situation figured out, you need to partially fill it with a little something before adding any food waste. “Bedding” is the bulk material in the bin that isn’t food waste. To start a fresh bin, we use a combination of shredded newspaper, rehydrated coco coir, and some native sandy soil from the yard. The soil adds needed grit for the worms digestive tract. If you have clay soil, I suggest adding a few handfuls of potting soil instead.  

Other options for bedding include shredded or cut up cardboard, shredded phonebooks, straw, hay, dry leaves, or other scrap paper (though we usually try to avoid white bleached paper). The bedding is your “browns” carbon source that is vital in any composting operation!

Two images, both of hands holding "bedding" material over a worm bin. The bedding is a combination of coco coir and shredded newspaper.
Our older worm bin on the left, and the newest one we set up for this tutorial on the right. You can see we used a combo of coco coir and shredded newspaper (plus a little native soil) for both, but at varying ratios. It doesn’t need to be precise! When we add more “browns” (bedding) to an established bin, such as during feeding or maintenance, we generally use dry leaves and shredded newspaper.

Bedding is added to start a worm bin. Additionally, as that bedding breaks down and is turned over by the worms (they eat the bedding too!) you’ll need to add more. In an established worm bin, it is best practice to add a handful of “browns” each time you feed the bin more food scraps. The bedding/browns help to offset the higher nitrogen and moisture content of the “greens” – the food or garden waste. This is essential in keeping a well-balanced, healthy bin that doesn’t get stinky and gross! A nasty-smelling worm bin is usually the result of too much food, too little browns, too much moisture, and too little air.

A note about using coco coir:

Coco coir is a great bedding choice. It has excellent moisture retention and fluff, making it the perfect consistency. It is also already fairly broken down, ready to add straight in your garden – whether it passed through the worm or not yet! Coco coir has a neutral pH, which is ideal for a worm bin. In contrast, something like peat moss is slightly acidic. Worms do not like acidic conditions.

If you choose to use coco coir, try not to get it super sopping wet when you rehydrate it! I mean, you’ll need to add quite a bit of water to it… but the goal is to have damp bedding at the end, not soggy. Add some water, wait for it to absorb, then add more as needed until it’s all broken up and damp.

For reference, we had a 10-pound brick of organic coco coir to start. I knew that was a bit too much for our 35-gallon bin, so I cut it in half with a saw. Coco coir seems to be sold only in packs of 1-pound bricks, or 10-11 pound bricks! So you could either do as I did, or get a few smaller ones.

The amount doesn’t need to be exact. As you can see in the photos above, there have been times we started our bedding with varying ratios of coco coir and newspaper. I could have also rehydrated the whole 10-pound brick and used some elsewhere, like in the garden beds or other containers, which is what we’ve done in the past!

Four images, showing the process of sawing a large 10-pound brick of coco coir in half, putting that half in a clear plastic tote and spraying water on top, then it is being held in a hand, fluffy and wet.

4) Worms

Now on to the most essential (and fun) part… the worms! You’ll need to get your hands on some compost worms. The most common are Eisenia Fetida, aka red wigglers. Many people love and use Uncle Jim’s Worm Farm online, us included. You could also check to see if you happen to live near a worm farm, and make a little field trip out of going to pick some up!

The amount of worms to start with depends on the size of your bin. For a bin the size we we’re using in this example (35-gallons) or larger, I would start with at least 1,000-2,000 worms (about 1-2 pounds). For smaller bins, you could start with 500-1000. They will reproduce and your population will grow with time! In the right conditions, a worm population can double in 90 days. On the other hand, worm bins and garden beds are also somewhat self-limiting. They’ll keep their own population in check, so don’t ever worry about having “too many” worms.

Fun worm facts: Did you know that worms have 5 hearts, can live up to 13 years, and are hermaphrodites? They can also eat their body weight in food waste per day! Think about that… Not many other species can accomplish that!

Two images. One of a bag of worms, that reads "uncle jims worm farm" on the outside of the bag. It is poised in front of a plastic tote in the background, the future worm bin. The second image is two hands cupped around a large handful of red wiggler compost worms.

Adding Worms to a New Bin

  • It is important to have your worm bin and bedding ready and waiting before your worms arrive so you can get those buggers put to bed straight away! Like any of us would be after a long road trip or flight, they’ll probably be a bit cranky upon arrival and need a snack and a nap, pronto.

  • Upon arrival, dig a little hole in the damp bedding. Add some food as discussed below, dump in the worms, and cover them up with more bedding.

  • Sometimes those little buggers like to try to escape on their first day or two. Don’t worry, this is normal! They’re just a little wigged out by their new environment. To help keep ‘em in and happy, their environment needs be how they like it: the right moisture level in the bin (damp but not soggy), enough of the right food to eat, and kept dark.

  • A trick to help prevent them from crawling out at first is to place a few sheets of damp newspaper on top of the “soil” mound inside the bin. Go back and check the bin after a day. Ours will sometimes cluster around the lid and handle portion of the worm bin. Put them back under the damp newspaper.

  • Fast forward a couple weeks. If worms are still trying to escape from an established worm bin? It may be a signal that there’s a problem with the bin, like not enough oxygen, too much acidic food, too wet of conditions. They breathe through their skin, after all!

Wet newspaper is covering a mound of worm bin contents, inside a plastic tote.
Keeping everyone all tucked in under there! Even with this layer of damp newspaper on top, we still found clusters of worms up by the handles of the tote the morning after they were added to the bin. After one more tuck-in, they stayed put.

5) Food

What to Feed A Worm Bin

You’ve got your bin, bedding, and worms – now you can start feeding those hungry little babies! Worms, believe it or not, do have some preferences in regards to their food. Certain things need to be avoided altogether – for their health and the health of the compost bin.

Here is a guide for what to feed your worms:

Yes, feed us this!No thanks, we’ll pass…
Almost all fruit and veggie scraps (see the few caveats in the “no” list)
Tender garden trimmings
Eggshells, especially crushed or ground!
Spent coffee grounds
Spent loose-leaf tea or tea bags (staples removed)
Sourdough starter discard (in moderation, since it’s wet and goopy!)
Meat or dairy products
Animal manure
Citrus (too acidic, we want a well-balanced neutral pH in the bin)
Processed foods
Moldy, rotten food
Spicy foods (we found our worms won’t eat hot peppers or radish greens… weirdos)
Limit amounts of bread, pasta, or other starchy foods

Would you look at that… Worms know what’s up with a healthy plant-based diet!

How and When to Feed a Worm Bin

Remember, worms can eat their body weight per day. That means that theoretically, if you start with 1 pound of worms, you could feed them 1 pound of food waste a day!  Most people find it more convenient to feed them weekly instead, storing up food waste in the kitchen in a compost crock between feedings. We keep a stainless steel compost crock under the sink, add scraps to it throughout the week, and feed them every Sunday. The crock has a carbon filter, so it doesn’t get smelly or attract fruit flies!

Before adding food each week, carefully stir and fluff all of the contents of the worm bin to introduce air, assess how much food they’ve eaten since last week, and generally check the condition of the bin. When you add food to the bin, dig a little hole in the bedding, toss in the food, and  make sure to bury it after! You don’t have to cut up food into smaller bits, but it does help them break it down faster. I suggest cutting up large chunks of really dense material, like the butt end of a cabbage.

About every-other feeding we add a handful of new bedding in with the food waste, or, if it’s a large amount of food or kind of wet. You’ll learn to gauge and adjust your food-to-bedding balance with time. For ease, we always keep a bucket of dry leaves or shredded newspaper nearby.

Two side by side images, both inside a worm bin. One is showing food being added in a hole, mostly chopped up greens, and the other is showing afterwards- with the food and worms buried in their bedding now.
Feeding a worm bin is simple! Dig a little hole, add food, add more “browns” if needed, and bury it all back up.

How Much Food to Add?

I mentioned that “theoretically”, worms can eat their weight per day. However, that is under optimal conditions and activity. Sometimes they’re more sluggish, like if it is warmer or colder than their ideal temperature range. With time, you’ll see how much food they can eat in a week, and adjust as needed. If you go back to feed them a week later and there is no food left at all, you can increase how much you’re giving them. Or, even introduce a mid-week snack. However, if there is a bunch of food leftover, you should scale back and feed them less quantity each week.

Not over-feeding your bin (meaning, not giving it more food than the worms can eat in about a week’s time) is THE KEY element to not having a stinky gross worm bin. If there is more food than they can quickly break down, it starts to rot, get overly wet, introduces nasty microbes and fungus instead of the good ones, and goes anaerobic…. Viola, there is that wet trash landfill smell you ordered!

The other key to maintaining not only a pleasant-smelling worm bin, but a healthy, biologically active bin is the right air and moisture.

6) Air and moisture

A happy, healthy worm bin should always be slightly damp but never soggy. An easy way to remember is: the ideal consistency is that of a wrung-out sponge. Worms need air because they breathe through their skin! Fluff and turn the bed weekly to break up big clumps and introduce air before adding new food or bedding. Beneficial microbes also enjoy aerobic environments. If your worm bin seems soggy and stinky, stir in more shredded newspaper, leaves, ripped up cardboard, or other fresh brown material throughout the entire bin to help absorb the moisture.

On the other hand, the goal is not a dry bin! It’s all about balance. If the worm bin seems really dry, give it a light shower with the hose or watering can – but go easy! Start small, stir, assess, and then water. You can always add more water if needed, but it’s more difficult to dry out an overly wet bed if you overdo it.

We have just covered are all the key elements you need to create and maintain a simple worm compost bin! I’m sure you’re curious… what about actually using the compost though?

How to Harvest Worm Castings

Once you’ve had your bin up and running for a few months, you can start harvesting small amounts of finished compost – worm castings! With time, you can gradually harvest more and more as your population grows and they start turning more of the bin over.

Check out this post dedicated to how we harvest and sift our worm castings with a simple DIY screen, to get them nice and fine and fluffy!

In short, here is the easiest way to harvest worm castings from a worm bin like ours: A couple weeks before you want to harvest castings, spread all the material out fairly evenly in your bin. Then feed the worms exclusively on one far side of the bin for a couple weeks. Most all of the worms will migrate there to eat. Once they seem to have migrated over, you can scoop out finished castings/compost from the opposite side without collecting too many worms.

Try to keep as many worms in the bin as possible, but if a few hitch a ride from your bin into your garden, oh well! They’ll become useful residents of the garden in short order.  Worms in the garden will continue to aerate, nourish, and improve your soil, in place! They will make your garden shine.

Watch along as I set up a fresh new worm bin!

Check out our YouTube channel for more videos by clicking here!

That is how we vermicompost.

It’s simple, it’s fun, and it’s effective! I hope you find this tutorial to be the same, and feel ready to start your own worm bin at home! Stay tuned for more vermicomposting articles. Feel free to ask questions and pass this on!

DeannaCat's signature, Keep on Growing


  • Renae Mattson

    Hello! My son and I have our worm compost bin established, but I struggle constantly with ants in all of my garden areas and now they are in my compost bin. Any suggestions on getting rid of them without harming my worms or compost? Thanks!

    • Aaron (Mr. DeannaCat)

      Hi Renae, ants can be a real pain if you leave the compost bin outside, I find they are most active this time of year so it can happen on occasion. You just don’t want them to overtake the bin, keeping all of the food waste buried underneath the bedding and castings can help. If you have a tote or a deeper lid that your bin will sit inside of, you can then fill the bottom tote with water creating a mote around your bin. The ants won’t travel across the water to your bin (I have to do this with our cat’s food this time of year). You can add ground cinnamon in and around your bed as ants do not like it and will hopefully flee the area. If all else fails, you may have to use ant traps or bait outside of the bin that will attract and kill the ants. These are a just a few things you can try out and hopefully as the weather starts to cool, the ants will retreat back to where they came from. Hope that helps and good luck!

  • LeAnn Bruckman

    Help! There are little bugs in my worm bin. Too hot here for an outside bin so they are in my laundry room. Is the bin too moist? Too much food? Not enough holes? How do I get rid of these little bugs?

    I appreciate your help!

    • Aaron (Mr. DeannaCat)

      Hi LeAnn, when you start a worm bin there are other bugs and insects that may work their way into your bin as well, however, most of them are not harmful to your worms. Springtails, potworms, and mites are common tiny insects that will show up and most of them feed on the same material as your worms. Keep the bedding moist but not too wet and only feed enough food that your worms can eat within a few days. As long as the population doesn’t explode you shouldn’t have anything to worry about. Congrats on starting your worm bin and reach out if you have any questions in the future, good luck!

  • Maddy May

    Hi I’m excited to start vermicelli posting and I’m curious how high to fill the bins and if I want the entire bin to become castings and then gather it all at once now would that be possible

    • Aaron (Mr. DeannaCat)

      Hi Maddy, it’s usually good to only fill it halfway as the worms typically feed in the top layer of soil anyway. If you fill it too full from the beginning, you will have a lot of bedding mixture to mix and rotate to aerate your bedding so it doesn’t become anaerobic. Your worm bin will fill up with time as they break down the bedding/food and turn it into castings. If you wanted to do a side project, fill another bin with high quality compost and add some worms to that as well. Don’t feed the compost bin but keep it the proper moisture level throughout time, after 6 months or so, harvest the entire bin for castings while separating out the worms as best as possible. Hope that helps and good luck!

  • Melanie Diessel

    Yippee! I am finally a new worm mommy! I am so excited. finally recived my worms, coir and bin today and have set everything up the way you show. Thank you, Thank you, Thank you! Love your blog and everything you do. Big Fan here.

    • Aaron (Mr. DeannaCat)

      That is great to hear Melanie! Worms are really amazing creatures that will help get rid of kitchen waste while producing amazing compost for your garden. Good luck!

  • Jana Torbenson

    Hi, Love your website. So useful.
    Our worm bin is thriving now thanks to your helpful tips.
    Here’s a stupid question. How do I know when to harvest the amazing castings for our beds? Our bin smells like great compost and is getting pretty full. Should I just go for it and take 1/2 of the material out, saving most of the worms?

    • Aaron (Mr. DeannaCat)

      Hello Jana, congrats on your successful vermicomposting venture. You can usually tell by looking at the materials left in the bin if it is ready to harvest some vermicompost, if most of it resembles worm castings, it is probably a good time to harvest some of it. You can really take out as much as you need to reduce space in your bin and or use in the garden. Hope that helps and enjoy!

  • Jenny

    I’ve just started a few months ago. I love it so far but I would get a few tiny flying bugs in there. Maybe gnats? I’m not sure. But is that ok?

    • Aaron (Mr. DeannaCat)

      Hello Jenny, yes that is fairly common and not too big of a deal as long as their numbers don’t get out of control. Try laying newspaper over the top of your worm bedding as this may give them less access to the material below and could limit their numbers. Good luck!

  • Janet R Gooltz

    I process my fruit/veggie scraps together w/egg shells and coffee grounds in a Vitamix re-cycler. Can that dried compost be used as food for the worms or must they have fresh material?

    • Aaron (Mr. DeannaCat)

      Hi Janet, that would be an amazing source of food for your worms and an excellent addition to your bin. Sometimes food scraps are too wet and without the right ratio of browns, a worm bin can become overly wet which is not an environment that worms like. Good luck and have fun!

  • Kristin Bogdonas

    Thank you for this thorough tutorial! I am going to be vermicomposting for the first time this summer and I’m looking into worm suppliers now. Once I receive the worms, how long can they survive out of the compost bin?

    • DeannaCat

      Hello Kristin, we usually try and get the worms into their new home within a day or two. They are usually shipped in some bedding material which will be enough for them in the meantime. If you aren’t able to add them right away, try and keep them in a dark and fairly cool place for the time being.

  • Ellen McDermott

    Thank you! This is such a helpful, easy-to-follow article. Excited to try worm farming, seems like an especially fun thing to do this summer with my child.

  • Shirley A. Cook

    I had a worm compost, but they ended up drowning in their own pee, I don’t understand why that happened. I felt so bad, how does one avoid that?

    • Aaron (Mr. DeannaCat)

      Hello Shirley, your worm bin was likely too wet though it wasn’t from their pee. Too damp of bedding material or adding too much food at once will lead to a more wet bed. It is best to only feed as much food as they can eat in a few days to a week and mix your bedding material from bottom to top every couple weeks to keep the bedding/castings aerated and fluffy. Hope that helps and let us know if you have any other questions.

    • K Smith

      I started my worm composting after finding your site. I set it up as described but I guess I missed the parts about adding browns every/other feeding. I have been keeping moist newspaper on top because of the heat here and I kept wondering why the worms were eating the top layer of newspaper. They’ve only been set up for one month but I just went and added shredded cardboard in since that’s what was missing. This is such an amazing process and my kids are enjoying it too! Thank you!!

      I have one question. We have red clay soil and it’s really thick and not good for growing. We have always done raised beds and bought bags of “raised bed soil” from the stores. Our levels are not where I want them to do this but I’m curious if I could maybe try mixing in the vermicompost with the red clay or maybe even adding some worms to the soil and see what they can do with our yard? Does that sound like it could work?

      • Aaron (Mr. DeannaCat)

        Hi K, congratulations on starting your worm bin! It will go a long way in providing quality compost or compost tea to your garden. Clay soil needs a lot of organic material mixed into it throughout time to help it become more fertile and able to support a healthier plant population. Watering with worm compost tea, adding compost, worm castings, sawdust, small bark mulch (which will break down with time and turn into organic material) multiple times throughout the year may slowly help regenerate your soil. However, this is something that will take time to build. Worms can help aerate and add organic material to soil, however, composting worms are considered invasive and can have a negative effect on your native earthworm population. Hope that helps get you started and good luck on transforming your clay soil into something more desirable for plant growth.

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