Miracle-Gro Twelve Indoor Growing System Never end your growing season with the Miracle-Gro Twelve Indoor Growing System ($240, originally $300), a fully integrated indoor growing system that lets you grow a wide variety of leafy greens, herbs, and flowers inside your home, all year long. The side table is Bluetooth connected and lets you control your system from your phone through the Miracle-Gro Twelve app. Image Source: amazon.com Miracle-Gro Twelve Indoor Growing System $240 from amazon.com Buy Now