A greenhouse is a structure designed to create and maintain an environment suitable for the cultivation of plants. The primary purpose of a greenhouse is to provide controlled conditions that optimize plant growth and protect them from unfavorable weather, pests, and diseases. Greenhouses are commonly used for growing fruits, vegetables, flowers, and other crops. Building a DIY greenhouse can be a rewarding project for gardeners and enthusiasts who want to extend their growing season or create a controlled environment for specific plants. Here's a basic guide to help you get started on building a simple backyard greenhouse: Materials and Tools: Frame: PVC pipes or metal conduit for the frame PVC connectors or metal fittings Wooden boards for a base frame (optional) Covering: Polyethylene greenhouse plastic or UV-resistant greenhouse film UV-resistant clear plastic sheeting Shade cloth (optional) Fasteners: Screws or bolts Nails Brackets (if using wood) Tools: Saw Drill Screwdriv