GreenThumb - Step-by-Step Guide to Building a Walipini Greenhouse 1. Understand the Walipini Concept A Walipini (from the Aymara word for "place of warmth") is an underground greenhouse. It uses passive solar heating and earth insulation to maintain a stable, warm environment for growing food, even in winter. --- 2. Choose the Right Location Select a spot with maximum sun exposure, ideally facing true south in the northern hemisphere. Avoid areas prone to flooding. Choose a slightly...
