12 Most Profitable Plants for Aquaponics, Small Gardens and Backyard Nurseries

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9. Kale
Kale, like spinach, is an easy, leafy plant to grow indoors. It’s also considered a superfood, so you can’t go wrong eating it. It usually takes about 6-8 weeks for it to fully grow, so you don’t have to wait forever before you start making some money.
12 Most Profitable Plants for Aquaponics, Small Gardens and Backyard Nurseries

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