Device for protecting and distributing irrigation water at the base of trees. The invention is based on the principle of applying expanded clay balls (2) at the base of the tree and a hose (1) for distributing water in drops (3) into the earth while limiting the compacting of the ground as much as possible. The device according to the invention is intended for protecting young trees recently planted in rows in streets, cemeteries, hospitals and on roads, motorways, etc. <IMAGE>
