Regrow New Plants With Kitchen Scraps Using Windowsill Jars

Choose a bright windowsill that receives at least 6 hours of indirect sunlight per day. Use clean, clear glass jars or cups to allow light in and make root growth visible.

Fill each jar with enough water to cover the roots or base of the plant, but avoid submerging leaves to prevent rot. Replace the water every two to three days to keep it fresh and prevent algae buildup.

Labeling jars with the plant name and date helps track progress and adds a neat, organized look to your setup.

3. Lettuce, Bok Choy, and Cabbage: The Regrow-From-Base Method

Save the bottom 1–2 inches of lettuce, bok choy, or cabbage. Place the base in a shallow jar with water covering only the bottom.

New leaves typically begin sprouting from the center within a few days. Refresh the water regularly, and within two to three weeks, you can harvest small, tender leaves.

This simple technique has gone viral on social media due to its fast and satisfying results.

4. Endless Green Onions and Leeks From Leftover Roots

Green onions and leeks are among the easiest plants to regrow. Keep the roots attached to about one inch of the bulb and place them in a jar with water covering the roots.

Set the jar on a sunny windowsill, and fresh green shoots will appear in just a few days. You can trim the greens repeatedly, and they will continue to regrow, providing a steady supply for your kitchen.

5. Celery and Fennel: Regrowing Crisp Stalks in Water

Save the bottom 2–3 inches of celery or fennel stalks and place them in water with the base submerged. Position the jar in a bright area.

New leaves will begin growing from the center within a week. Although the stalks may be thinner than the original, the flavor remains fresh and crisp—perfect for soups, salads, and snacks.

6. Carrot, Beet, and Radish Tops for Fresh Greens

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