Stop Trashing Your Scraps: 16 Produce Items to Re-Grow at Home

Stop throwing away your vegetable scraps! Did you know there are 16 different types of produce items that you can re-grow at home?

Regrowing produce from scraps saves money and gives you the chance to control what goes in your food. Also, by following these steps, you may end up with an endless supply of produce just by reusing the scraps.

Before we get started, here is a little tip. Organically bought “parent” vegetable scraps re-grow better than store bought. Plus, organic food just tastes better and is better for you.

Take a look at all the produce you can re-grow below.

Leeks, Scallions, Spring Onions, and Fennel

 Photo Credit: Eating the Week

Photo Credit: Eating the Week

Photo Credit: 17 Apart

Photo Credit: 17 Apart

Leeks, scallions, spring onions, and fennel can all be re-grown from their white root base. Just stick the root base in a glass jar or bowl, add water, and put it where it will get plenty of light. Freshen up the water every other day and soon you will have new veggies to enjoy all over again.

Lemongrass

Photo Credit: Purple Foodie

Photo Credit: Purple Foodie

You start off by placing the root end of the lemongrass in a glass jar with a little water. Place it in a sunny place and refresh the water every other day. In about a week, you should see new growth start to appear. This is when you transplant your lemongrass into a pot with soil. Leave it outside where it can get a lot of sun.

Harvest your lemongrass when the stalks are about a foot tall. Cut off what you need, but leave the roots in place because it will keep on growing.

Celery, Bok Choy, Romaine Lettuce, and Cabbage

Photo Credit: Earthgiven Kitchen

Photo Credit: Earthgiven Kitchen

Celery, bok choy, romaine lettuce, and cabbage will also re-grow from the white root end. Just cut off what you normally eat and place the root end in a shallow bowl of water. Cover the roots but not the top of the cutting. Place it in the sun, but spray the cutting with water to keep the top moist.

In about a week, it is time to transplant the plant into soil. Plant so that just the leaves are showing. Within a few weeks, it will sprout a new head.

Celery, Bok Choy, Romaine Lettuce, and Cabbage can also be directly planted into the ground, but the soil needs to be kept very moist until new shoots appear.

Ginger

Ginger is super easy to re-grow. All you have to do is plant a piece of ginger rhizome in potting soil with the smallest bugs facing upwards. Rhizome is the bit of ginger you cook with. Place the ginger in non-direct sunlight and in a warm, moist environment.

You can harvest ginger once the plant is established. Pull up the whole plant, remove a piece of rhizome, replant it, and repeat.

Potatoes

Photo Credit: Black Thumb Gardener

Photo Credit: Black Thumb Gardener

If you have potatoes that sprouted eyes suddenly and got all wrinkly, don’t throw them away. These are perfect for growing new potatoes. Cut them into sections with at least two eyes on each piece. Then plant them in high-nutrient soil at about 8 inches deep. You can get high-nutrient soil by adding compost.

Potato plants will spread out as they grow, so it is important to cover any new roots with soil.

Garlic

Photo Credit: Salem Cross Inn

Photo Credit: Salem Cross Inn

Planting and harvesting garlic is similar to ginger. Just place the garlic root down into soil. Garlic likes warmth with plenty of direct sunlight and will easily root itself and produce new shoots. Once the plant is established, cut back the shoots. This will help the plant focus on building a big, tasty garlic bulb.

Just like with ginger, pull up the plant, take what you need, replant it, and repeat.

Onions

Photo Credit: Instructables

Photo Credit: Instructables

Onions are one of the easiest vegetables to re-grow. Cut off the root end of the onion ½ inch above the root line. Plant the root portion of the onion in a sunny spot in your garden with only a little soil on top. If you live in a colder climate, plant it in a pot and keep it indoors. The onion roots will grow you a new onion. You can cut off the roots and replant for as long as you want.

Sweet Potatoes

Photo Credit: Micro Farm Gardens

Photo Credit: Micro Farm Gardens

Sweet potatoes produce eye-shoots like a potato. Bury the sweet potato under a thin layer of soil in a moist, sunny location. Shoots will appear in about a week. Once the shoots reach about four inches in height, remove them and replant them with about a foot separating each plant. Sweet potatoes take about four months to be ready.

Warning: Slugs love sweet potatoes, so watch out for them.

Many commercial sweet potatoes are sprayed so they do not produce eyes. It is best to use organic.

Mushroom

Photo Credit: Food Hacks

Photo Credit: Food Hacks

Mushrooms are probably the most difficult veggies to re-grow. This is because they enjoy warm humidity and nutrient-rich soil just like all the other fungus they have to compete with. For this reason, re-growing mushrooms works best in cooler environments.

To make nutrient-rich soil, mix it with compost. Remove the head of the mushroom and plant the stalk. Leave just the very top exposed. If all the conditions are correct, your mushroom will start growing in a couple of days. If not, it will be very clear that the mushroom is beginning to rot.

Pineapple

Finally a fruit! Re-growing pineapples will take some time (2-3 years), but it is worth it.

You re-grow pineapple from the leafy top of the fruit. It is important to make sure no fruit remains on the pineapple top as it will rot after planted. Slice small horizontal sections until you see the root buds.

Pineapple plants like a warm and well drained environment and you should start to see growth within a few months.

To learn more about growing vegetables from produce, take a look at this video from Growing Your Greens.

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7 comments
mdiwoman - September 16, 2015

Silly. The white part of a leek or scallion is what you eat.

Reply
    Crow Cave Arts - September 16, 2015

    that white part will re
    grow with time. Patience Padawan

    Reply
      mdiwoman - September 16, 2015

      Not if you eat it. that was kind of a fluff article. Do you really think you can get potatoes by planting them in a flower pot? What about avocado? What about beans? What about seeds. See how silly it gets.

      Reply
        Heather Leigh - September 20, 2015

        You can plant potatoes in the ground that way and it works very well. Avocado seeds can make an attractive houseplant. Beans- in the ground they will grow very well. I don’t see anything silly about this article. I have a huge sweet potato patch growing out back- from an old sprouted sweet from this spring. about to plant a sprouted red potato for a desert winter crop.

        Reply
        anna kuz - October 7, 2015

        Worked with celery I have two plants

        Reply
        Rhonda Painter - February 15, 2016

        Not only can you get potatoes from sprouted ones, I’ve done it for years. My mother grew some potatoes (accidentally) when she threw the peelings out in her garden for mulch.

        Reply
        RunnerGirl - September 23, 2016

        Haven’t you seen The Martian? The way he was able to survive without any seeds for food was to sprout potatoes and grow them. While not a true story, the book was lauded as being scientifically accurate.

        Reply
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