Plants and gardening on Instagram: "🌱 How to Build a Walipini Greenhouse 🌱 A Walipini greenhouse is not just an underground greenhouse — it’s a system. Built correctly, it uses the earth’s natural insulation to create a stable growing environment all year round. Key things to consider when building a Walipini greenhouse: ✔️ Location matters Choose a spot with maximum sun exposure and good natural drainage. ✔️ Depth is critical The structure must reach below the frost line to benefit from stabl