Extend your growing season with Backyard Discovery's Aggie Cold Frame Planter Box. This mini greenhouse is ideal for keeping your plants protected from harsh weather while creating a thriving environment for growth. The innovative temperature-activated hinge automatically opens the lid when it gets too hot and closes as temperatures drop, maintaining optimal growing conditions for your plants, flowers, and veggies. The lid features double-wall polycarbonate panels to ensure excellent light transmission while providing superior insulation for your garden. Built from solid cedar wood with powder-coated steel legs and hardware, this cold frame greenhouse offers lasting durability and exceptional resistance to rust. Wide bottom slats and a heavy-duty mesh liner provide proper drainage to nurture healthy root development. This portable greenhouse combines the benefits of a raised garden planter with cold frame protection, offering plenty of growing space in a compact design. Perfect for homes with limited space, its thoughtful design makes it easy to position anywhere in your backyard. The cold frame comes ready to assemble with pre-cut and pre-drilled components, making setup a breeze. Backed by a 5-year warranty, this mini greenhouse helps you nurture seedlings, plant earlier in spring, and continue growing through the winter for year-round gardening.