Introduction Winter often feels like the end of the gardening season, especially for urban dwellers and small-space gardeners. Cold winds, frost, and shorter days make it difficult to keep plants thriving. Yet, with the right DIY winter greenhouse ideas, you can extend your growing season, protect delicate plants, and even enjoy fresh herbs and vegetables all year round. Unlike large commercial greenhouses, these projects are designed for affordability, creativity, and adaptability. Whether you live in an apartment with a balcony or have a tiny backyard, there are clever ways to build a greenhouse that fits your space and budget. A…