17 Vegetables that You Can Regrow Indoors with Just Water

You’ve just finished chopping green onions for dinner and are about to toss the root ends into the trash. But wait—did you know you can regrow them indoors with just a glass of water? Discover how easy it is to regrow vegetables like green onions, celery, and lettuce right on your kitchen windowsill.

Why Consider Regrowing Food in Water?

Regrowing vegetables in water is a practical and sustainable way to grow food at home. This method saves money on groceries and reduces food waste. You can grow fresh herbs, leafy greens, and some root vegetables.

With kitchen scrap gardening, you can repurpose leftover vegetable parts. For example, you can use the base of celery, lettuce, or cabbage. Place these bases in shallow bowls with a small amount of water.

Hydroponic gardening allows you to grow plants without soil. This technique uses nutrient-rich water to support plant growth. Hydroponics can be an efficient solution for urban settings or limited space.

Water-based gardening methods are simple and require minimal resources. All you need is access to clean water, some containers, and occasional sunlight. These methods are beginner-friendly and effective.

Regrowing food in water is an educational activity for children and adults. It provides a hands-on experience with plant life cycles. Watching plants grow can be gratifying and teach valuable lessons.

Using reclaimed water for regrowing food can be environmentally friendly. Though it contains some salts and nutrients, reclaimed water is treated for safety. It can effectively nourish non-drinking plants.

Moreover, consider regrowing food in water to cultivate fresh produce year-round. This method allows you to enjoy homegrown vegetables, regardless of the season. You also reduce your carbon footprint by growing food locally.

Lastly, engaging in water-based gardening can also improve mental health. The act of nurturing plants can be relaxing and rewarding. It offers a sense of accomplishment and connection to nature.

Food that You Can Regrow Indoors with Just Water

Regrowing vegetables indoors with water is a simple way to enjoy fresh produce year-round. Here’s how you can regrow various foods with just a few easy steps.

Green Onions

Green Onions

Green onions are one of the easiest vegetables to regrow indoors. Cut off the green tops, leaving about two inches of the white base. Place the base in a shallow container with enough water to cover the roots. Change the water every few days. Within a week, you’ll see new green shoots emerging, ready for use in your dishes.

Lettuce

Lettuce

Lettuce can regrow quickly from its base. Cut the leaves about an inch above the base and place them in a shallow dish of water. Keep it in a sunny spot and change the water every couple of days. In about 10 days, new leaves will start to grow. You can harvest the leaves as they grow, making it a continuous supply.

Celery

Celery

To regrow celery, cut the stalks about two inches above the base. Place the base in a shallow bowl with water, ensuring the bottom is submerged. Leave it in a spot with good sunlight. Change the water every few days. After a week, new stalks and leaves will sprout, which you can use in your recipes.

Carrots

Carrots

While you can’t regrow the taproot, you can regrow carrot tops for their greens. Cut the top inch of the carrot and place it in a dish with water. Ensure good sunlight reaches the dish. The carrot tops will grow lush greens, which are great for garnishes, salads, or pesto.

Garlic

Garlic

Garlic is simple to regrow indoors. Take a garlic clove and place it in a shallow dish with a bit of water, root end down. Place it in sunlight and change the water regularly. The clove will sprout green shoots, which can be used in stir-fries, salads, and as a garnish, similar to green onions.

Bok Choy

Bok choy can be restarted from its base. After cutting off the leaves, place the base in a dish of water. Keep the water at a consistent level and provide ample light. Within days, new leaves will begin to grow from the center. You’ll have fresh bok choy to add to soups and stir-fries soon.

Leeks

Leeks

Leeks can be regrown similarly to green onions. Cut the leek, leaving about two inches of the white base. Place it in water, ensuring the roots are covered. Change the water every few days and provide good light. New green shoots will emerge from the center, giving you a continuous supply of fresh leeks.

Fennel

Fennel

Fennel can regenerate from its base. Take the bulb and cut it above the base, leaving about an inch. Place the base in water, ensuring only the root area is submerged. It needs sunlight and fresh water regularly. New fronds will appear from the center, perfect for salads and seasoning.

Basil

Basil

To regrow basil, take a cutting that includes at least four inches of the stem. Place it in water, ensuring the leaves are not submerged. Position it in a sunny spot. Refresh the water every few days. Roots will develop from the stem, and once established, new leaves will grow, ready for your culinary uses.

Cilantro

Cilantro

Cilantro regrows well from its stems. Cut a stem piece around four inches long and place it in water, making sure the leaves are above the waterline. Place it in a sunny area and change the water regularly. Roots will form, and new leaves will grow, giving you fresh cilantro for your dishes.

Mint

Mint

Mint is easy to regrow from cuttings. Take a cutting of about four inches, removing the lower leaves. Place the cutting in water, ensuring the remaining leaves stay above the water. Keep it in a sunny location. Change the water frequently. Roots will develop, leading to new mint leaves sprouting quickly.

Parsley

Parsley

Parsley can be regrown from both its roots and cuttings. For cuttings, take a four-inch piece and place it in water. Position it in a sunny spot and refresh the water every few days. Roots will form soon, followed by new leaf growth, providing fresh parsley for garnishing and cooking.

Rosemary

Rosemary

Rosemary regrows well from cuttings. Take a six-inch cutting and strip the leaves from the lower half. Place it in water, making sure not to submerge the leaves. Keep it in a sunny spot. Refresh the water regularly. In a few weeks, roots will develop and new growth will start.

Thyme

Thyme

Thyme can be regrown from cuttings. Take a three to four-inch cutting, remove the lower leaves, and place it in water. Keep the water fresh and provide ample sunlight. Within a few weeks, roots will form, leading to fresh thyme growth, perfect for seasoning your dishes.

Sweet Potatoes

Sweet Potatoes

To regrow sweet potatoes, cut a piece of the tuber and immerse half of it in water using toothpicks to suspend it. Place it in a sunny spot and change the water regularly. Slips will start to grow from the submerged piece, which can be harvested and used in various dishes.

Beet Greens

Beet Greens

Beet tops can sprout new greens. Cut the top inch off a beet and place it in water, ensuring only the bottom part is submerged. Keep it in light and refresh the water regularly. Within a week, new greens will sprout, which is suitable for salads and garnishes.

Cabbage

Cabbage regrows from its base. After using the main head, leave about two inches of the base and place it in a dish with water. Position it in a sunny area and change the water every few days. New leaves will sprout from the center, giving you fresh cabbage to use in your meals.