Can You Compost Pineapple?

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Every time I stick something strange and new in my compost pile I watch it like a hawk for the next week. If things seem slow I’m always worried that messed up the ratios, acidity, microbiota, etc. At least that used to be me. The truth of the matter is, it’s pretty hard to mess up a compost pile. There was a time that I accidentally dumped in a load of shredded cardboard with labels and adhesive intact and then tried to dig it all back out but that’s a story for another time.

In order to shortchange my compulsive pile watching I find it much easier to just reserach whether an items it good for compost (or not) and then just throw it in and forget it.

So can I compost Pineapple?

The inner fruit on the pineapple is an excellent nitrogen-rich addition compost. The high sugar and moisture content of the flesh allows it to break down extremely quickly. The crowns, core, and skin can be composted as well but should be broken down before-hand to expedite the process.

The In-and-Outs of Composting Pineapple

The flesh of a pineapple is called Ananas comosus. The fruit has a yellow coloration and a sweet taste. Unfortunately, there is a large portion that is inedible. When you compost pineapple, you are transforming the spiky and stiff top and the spiny and tough rind into material rich in nutrients. You can use this in your garden for fertilizing your plants or improving the texture of your soil.

Pineapple is a fairly common kitchen scrap. Composting provides you with an opportunity to decrease the amount of garbage and waste filling up landfills every year. You are also helping to fulfill your local ordinances. Pineapple peels contain a lot of nitrogen which helps ensure your compost is balanced. Unfortunately, pineapples also contain acidity and natural chemicals in the peels.

If added in excess this can kill certain microorganisms and worms resulting in a much slower decomposition of your compost pile. Unless you cut your pineapple remains into small pieces, the peels will require a long time to break down. This means you will have to wait much longer before your compost can be used. (Check out How To Know When Your Compost is Ready)

Using Hydrated White Lime

One of your best options is adding hydrated white lime when including pineapple into your compost. The idea is to decrease the acidity of the fruit. The citrus acid in pineapples will help preserve your composite pile as opposed to allowing for decomposition. You need to decrease the amount of citric acid to help your pineapple transform into compost faster.

Hydrated white lime reacts directly with the acids in your compost pile regardless of their source. Hydrating lime can easily handle the acid in your pineapple. Once the acidity has been decreased, the temporary preservation period will end. Your compost can then begin decomposition. Anything you include in your compost containing acid will be preserved unless you take steps to reduce the acidity.

Hydrated white lime is a good solution for diluting the acid to a much lower level. This type of intervention is necessary to trigger and speed up the decomposition process. For the most rapid decomposition, the carbon to nitrogen ratio of your compost pile should be approximately 30 to one.

Common materials rich in carbon include:

• Dry leaves
• Shredded paper
• Corn stalks
• Sawdust
• Straw

Common materials rich in nitrogen include:

Grass clippings
• Scraps from your kitchen
• Seaweed
• Alfalfa hay
• Prunings fresh from your garden

Composting Pineapple in Six Steps

If you are interested in learning how to compost pineapple, simply follow the steps detailed below.

Step One:

Rinse your pineapple in the kitchen sink using a strong water spray. Make certain any pesticide residue remaining is removed from outside of the rind. Remove the top and rind from the edible flesh. You can store the fruit to enjoy later on.

Step Two:

Chop the core, top and rind of your pineapple into pieces between one and three inches in length. The smaller the pieces, the quicker they will break down. This is extremely important because the tough leaves and thick rind of a pineapple require more time to degrade than many of the other computing materials.

Step Three:

Store any uneaten or unused flesh and pineapple scraps in a compost container in your kitchen until you can add it to your compost bin or pile.

Step Four:

Mix your pineapple scraps with any other green materials you have available including weeds, vegetable peels or grass clippings until you have about the same amount of green material as brown. One of the necessary ingredients for successful composting is carbon. Toss in pine needles, hay and dry leaves to create the right balance.

Step Five:

Make certain your compost pile has even moisture throughout. Moisture is extremely important to help microorganisms break down organic materials. The final result is usable compost.

Step Six:

The next time you include materials rich in nitrogen in your compost pile or greens, also include bits of leftover pineapple such as the leaves, skin and flesh. You want to make certain your compost pile has the correct nutrient balance. You should include three parts of materials rich in carbon or browns such as paper or leaves and one part greens.

What about the pineapple skin?

When you compost pineapple, keep in mind the skin is fairly tough. The top section of the fruit is even tougher. This means pineapple peels will not break down as quickly as the peels from other fruits such as a banana. Eventually, your pineapple skin will break down. If you want the decomposition to proceed faster, cut the top of your pineapple and the peel or skin into small pieces.

Benefits of Composting Pineapple

There are a lot of benefits when you compost pineapple and for composting in general. You add important nutrients to your soil. When you put your compost over existing soil, the nutrients added include nitrogen and carbon. Plants require both of these nutrients for photosynthesis and growth. Your plants also use the water retained in the soil from your compost.

Composting provides your soil with valuable organisms and microorganisms including fungi, decomposed organic material, bacteria and protozoa. When these microorganisms are present in your soil, aeration is improved. This speeds up the process of composting, repels certain plant diseases and converts nitrogen into a form usable for your plants.

Composting the waste from your yard and kitchen decreases the amount of trash you throw away by as much as 30 percent. This means there is less trash in your kitchen. You will save money because you will use a lot fewer trash bags. You will also save time since your trash will not need to be taken out as often. Even more importantly, you will help decrease the amount of waste filling up the landfills.

Yes, organic material will eventually decompose when placed in a landfill. You may not be aware the process is much slower than with your compost pile. Unfortunately, all of the nutrients produced by organic material placed in landfills will go to waste. Composting is not only a lot better for the environment, but it is also free. When you compost, you are not relying on the chemicals and fertilizers produced in factories.

So, at the end of the day, feel free to chuck your pineapple into your compost. Just chop it up first!

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