6. Celery


What can you do with the ends of a stick of celery? Throw it away? Don't waste your celery ends - use them to grow more celery! As with some of the other vegetable scraps, you start by leaving the roots in water until it starts to grow leaves. Change the water every few days, as well as spraying with water. Once leaves appear, plant in soil, covering the ends of the sticks and leaving the leaves uncovered.

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