Home Composting: 16 Foods That’ll Re-Grow from Kitchen Scraps

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Food is expensive. If you do the grocery shopping for your household, you know that this is one of the highest costs related to your home and family. While it may be unlikely that you can completely eliminate your grocery bill, you can grow certain foods yourself. And, you can grow them from scraps that you would normally throw away.

Composting requires warm temperatures at least 160 degrees Fahrenheit (71 C.), moderate moisture, and space to turn the pile. You can really make kitchen waste composting as simple or as complex as you want. The end results are finer with multiple bins or a rotating tumbler, whereas piles on the ground or mixing into garden beds yields more robust and chunkier compost.

16 Foods That’ll Re-Grow from Kitchen Scraps

Ginger

Ginger is very easy to re-grow. Simply plant a spare piece of ginger rhizome (the thick knobbly bit you cook with) in potting soil with the newest (ie. smallest) buds facing upward. Ginger enjoys filtered, not direct, sunlight in a warm moist environment.

Before long it will start to grow new shoots and roots. Once the plant is established and you’re ready to harvest, pull up the whole plant, roots and all. Remove a piece of the rhizome, and re-plant it to repeat the process.

Ginger also makes a very attractive house-plant, so if you don’t use a lot of ginger in your cooking you can still enjoy the lovely plant between harvests.

Onions

Onions are one of the easiest vegetables to propagate. Just cut off the root end of your onion, leaving a ½ inch of onion on the roots. Place it in a sunny position in your garden and cover the top with soil. Ensure the soil is kept moist. Onions prefer a warm sunny environment, so if you live in a colder climate, keep them in pots and move them indoors during frostier months.

As you use your home-grown onions, keep re-planting the root ends you cut off, and you’ll never need to buy onions again.

Peppers

You can grow a number of hot peppers from the seeds that are leftover. Just collect the seeds from your habaneros, jalapenos or any other peppers that you have on hand. Plant them in potting soil and keep in direct sunlight unless it is warm outside and then you can just plant them in your garden area. Peppers grow relatively fast and don’t require a lot of care. Once you get a new crop, just save some of the seeds for replanting again.

Garlic

You can re-grow a plant from just a single clove – just plant it, root-end down, in a warm position with plenty of direct sunlight. The garlic will root itself and produce new shoots. Once established, cut back the shoots and the plant will put all its energy into producing a tasty big garlic bulb. And like ginger, you can repeat the process with your new bulb.

Lemongrass

Lemongrass grows just like any other grass. To propagate it, place the root end (after you’ve cut the rest off) in a glass jar with a little water, and leave it in a sunny position.

Within a week or so, new growth will start to appear. Transplant your lemongrass into a pot and leave it in a sunny outdoor position. You can harvest your lemongrass when the stalks reach around a foot tall – just cut off what you need and leave the plant to keep growing.

Mushrooms

You can grow mushrooms from cuttings, although they are a bit more difficult than many other vegetables. You will need a warm area with a lot of humidity and soil that is rich in nutrients. It is much better to grow your mushrooms in a pot as opposed to in the ground because you have a better shot at controlling the temperature and the humidity. You just have to cut away the head of the mushroom and plant the stalk or stem in the soil. Leave the very top exposed and this base will begin to grow a new head.

Potatoes

Potatoes from produce back to growing is a great way to keep more waste out of the garbage. You can grow any variety of potato you like, it should just make sure the scrap has ‘eyes’ growing on it. With a potato that has a strong presence of eyes you can chop it up into 2 inch square pieces. Make sure each piece has 1 – 2 eyes. After you’ve cut your potato into pieces leave them out in room temperature for a couple of days. Leaving the pieces out allow the cut surface area to dry out and become callous which will prevent the pieces from rotting in the ground.

Leeks, Spring Onions, Scallions ,and Fennel

You could go out and buy some vegetable specifically for growing but I like to wait till I actually have a call for them in my cooking. With all 5 of these examples you will use the end of the vegetable with the white roots.Take the left over white roots and place them in a container with a small amount of water in it. You want the roots to be wet but you don’t want the entire thing submerged. Take your container and place it in a sunny window sill. I’ve actually grown green onion scraps in a fairly shady window on the north side of our house, your success may vary.

I like keeping some in a window in the kitchen for my morning eggs, and in my office for snacking on (the wife loves kissing me after that). Within 3-5 days you will begin to see new growth come up. Remove the produce as you need and just leave the roots in the water to continually harvest your kitchen scrap crops. You should refresh the water weekly to keep the plant healthy.

Reference:

http://blackthumbgardener.com/1-plants-you-grow-from-kitchen-scraps/

http://www.diyncrafts.com/4732/repurpose/25-foods-can-re-grow-kitchen-scraps

http://www.simplehouseholdtips.com/foods-you-can-regrow-from-kitchen-scraps.html

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Phyllis Bentley
I have 12 years’ experience in the medical industry. As a freelance writer, I have written a number of articles which have been published in highly read publications. I have a strong knowledge base in a range of medical and wellness topics and in the business of health care.
Specialities in Family health; autoimmune diseases; mental health; diabetes, cancer; fitness and nutrition.