Where H4O is already at work
Projects worldwide
From the island of Socotra, at over 50 °C, to a school in Kampala, Uganda, and the historic greenhouse of Villa Pamphili in Rome: H4O organic hydroponics works anywhere.
Our projects in #numbers
Our projects
Schools, institutions, international expos and historic places: each project tells a different way of growing without soil, with little water and natural nutrients.
Villa Pamphili: the historic pineapple greenhouse at Casale dei Cedrati comes back to life
📍 Rome, Villa Pamphili · 2025. The historic pineapple greenhouse at Casale dei Cedrati comes back to life with 1,200 plants in organic hydroponics.
Uganda, Kampala: the organic hydroponic garden at St. Kizito High School
📍 Kampala, Uganda · 2025. With the FAO Mountain Partnership, a 650-plant system at St. Kizito High School: a course for students and fresh vegetables for the canteen.
FAO Rome: wooden organic hydroponics for zero-mile growing
📍 Rome, FAO headquarters · 2024. A wooden H4O module on the FAO terrace, near the Baths of Caracalla: zero-mile vegetables in the heart of the city.
Organic hydroponics at Expo Doha: sustainability and innovation
📍 Doha, Qatar · 2023–2024. At the Italian Pavilion of Expo Doha we showed that organic hydroponics works in extreme environments too.
Organic hydroponics in extreme environments: H4O on Socotra
📍 Socotra, Yemen · 2021. Our first system in extreme conditions, over 50 °C: fresh vegetables where local crops are missing.
The next project could be yours
Do you have a school, a restaurant, a business or a space to bring back to life? Tell us your idea: we’ll help you design the right system.
