1. Green Onions
Re-growing green onions is as easy as it gets. Place the white root base in a glass with enough water to completely cover the base and place it on a sunny windowsill. You can keep cutting off what you need, and they’ll grow back super fast.
Remove the neck of an old water bottle and cut holes in the side the size of an onion bulb. Next, fill the bottle up with layers of onion sprouts and soil. Water the soil and place on a windowsill.
You can easily grow carrots from carrot tops. Cut the tops off a carrot and pierce a toothpick in either side of the carrot stump. Balance the toothpicks on the edge of a glass of water, allowing the water just to touch the bottom of the carrot. After a few days, roots and small shoots will appear.
To regrow celery from the base, chop off the celery stalks and rinse the base with water. Then place the base in a bowl of warm water, the base side facing down. Every couple of days, change the water and keep the top of the base moist with a spray bottle. New leaves will emerge from the center.
5. Sweet potatoes
About 25 pounds of sweet potatoes can be grown in a bucket, starting from just one sprouted, organic sweet potato. Click here for a full tutorial.
Place the cut-off base with roots in a glass of water and put on a sunny windowsill. Replace the water occasionally and watch them grow.
7. Bok Choy
Just as celery, bok choy will start to sprout from the cut off base. Add the base to a bowl of warm water, and you will see new shoots emerge after just one day.
Thoroughly wash the avocado seed with water. Use three toothpicks to rest it in on the edge of a glass filled with water, submerging the seed about halfway. Change the water every day and place the glass in a sunny spot. After a while, a root will start to grow, and the pit will split. A stem will shoot up, and the leaves will start to grow. This process can take up to 6 weeks.
Buy a piece of fresh ginger that has a few eye buds. Soak it overnight in warm water and place it in potting soil with the buds facing up. Cover with a one- to two-inch layer of soil and water well. Place in a warm spot that doesn’t get too much bright sun. When shoots start to pop up, it will take another 3 to 4 months before it is ready for harvest.
Select a few 4-inch stems and strip about 75 percent of all the leaves with a sharp knife. Put the stems in a glass of water and place in a sunny spot. Change the water every other day. Roots will form after a few days.
One clove of garlic is all you need to grow your own supply of garlic on a windowsill. Click here for a full tutorial.
Strip all the leaves from the stem, leaving just a few at the top. Place the stem in water, making sure it is fully submerged. Change water every week and wait util roots start to form.
Once you get any of these kitchen scraps going, you can simply transfer them to a container with soil or your garden to continue their growth.
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