Can You Compost Corn Cobs and Husks (If Yes Then How & Why)

Adding kitchen scraps to compost can turn them into valuable, nutrient-rich compost that can be added to the plants. Composting is a natural process that is inexpensive. It is straightforward to make and use. But the question is, what can we add to compost? Can you compost corn cobs and husks?

You can compost corn cobs and husks since all parts of the corn stalk or corn stover are instrumental and can be used in the compost bin, also adding whole corn cobs creates air pockets in a compost pile that helps to speed up the decomposition process.

Methods Of Composting Corn Cobs And Husks

When composting corn cobs and husks, It is beneficial to add green and brown material in the compost bin as fresh corn can supply the green material needed to increase the composting speed. In addition, when left to rot, the corn husks can turn into brown material suitable for making a compost pile rich in carbon. 

Check out in detail several methods in which you can compost corn cobs and husks:

Corn Cobs and Husks in compost bin

The very first and most straightforward method for composting is by using a compost bin. Here’s the complete process of composting corn cobs and husks in the compost bin.

1. Composting bins should be of the correct size

Your compost bin should be in the right shape and size. You should not cover its bottom area to prevent the pile from roasting. Also, It needs to be made in an open area where it can consume a lot of air and sunlight.

2. Mixing Ratios should match

Make sure that your compost pile should contain the right amount of green and brown organic matter.

Ingredients that you can use in green material are vegetable scraps, grass clippings, kitchen scraps, fresh leaves, tea, corn kernels, coffee grounds, corn silk, etc.

Ingredients that you use in the brown material are shredded leaves, wood chips, paper, husks, corn cobs, etc.

3. Check and Ensure The Material Size

The speed of composting generally depends on the size of the piece of corn cobs and husks. Therefore, the size of the material should be small so that you can easily compost it in the composting bin.

4. Turn It The Compost Pile

To increase the compost’s speed and quality, regularly mix the compost in 2 or 3 days, respectively. If you don’t stir it, it may fall into decay and spread an awful smell. It is also beneficial to make your compost healthy.

5. Aging

Now you should Wait for 5 to 6 months for the best yield of the compost. Aging is the essential step of composting.

Now your compost of cobs and husk is ready to use.

Things to Remember During and After Composting Cobs and Husks

There are several things that you have to remember during the compost and as well as after composting: 

  • If your compost pile has stopped heating between composting processes, then add a cup of 10-10-10 fertilizer in it while turning. (1 cup per 20 cubic feet of composting)
  • If your corn cobs and husk compost are getting wet, mix some cardboard and more corn husks. Then, cover the bin with polythene sheets to protect it from rain. 
  • A good smelling, brown-colored is the finished compost of the corn cobs.  
  • If you leave the compost for more than four weeks, don’t use It now because it will lose its nitrogen. Hence use the compost as soon as possible. 
  • Add compost 1 inch deep into the soil to prevent it from draining with water. 
  • Soak the finished compost into the water for 3 to 4 days, and then you can use it as a liquid fertilizer.

Benefits Of Composting Corn Cobs And Husks

There are several benefits of composting corn cobs and husks in the composting bin.

  • It makes the proper balance between brown and green material. 
  • It provides better aeration between compost piles.
  • You can dump it into the bottom of the composting bin because of its heavy weight. Hence it provides needed air from the bottom to prevent the compost from decaying.
  • It fulfills the needed amount of carbon in the compost bin.
  • It can act like mulch in the soil. 

Frequently Asked Questions

How long does it take to compost corn cobs?

The time for the composting is not fixed. It may be slow and fast. It all depends on what material that you use in the compost bin. Usually, corn cobs take 1 to 6 years when you directly add them to the soil. But it takes six months to compost into a composting bin.

Do worms eat corn cobs?

Worms cannot eat raw corn rapidly, and it is very hard in texture. So that’s why it seems like they don’t like them, but when we boil or grill them, it is a favorite food for the worms and decomposers. And you may use it in the worm bin.

Can corn husks be used as mulch?

Corn husks can be used as mulch and you can add any part of the corn, like silks, kernel, leaves, and even the corn grain itself, and use it for various purposes. Additionally, corn husks also can be added to the mulch with other organic materials to make it more nutrient-rich for the better growth of plants.

Composting corn cobs and husks is not a bad idea. Corn cobs produce many valuable nutrients for the plants as well as for the composts. Moreover, the chances of the failure of compost in composting bins remain very low with the help of corn cobs and husk.