Abstract: The invention relates to a plant irrigating system (1), comprising a collection structure (99) for collecting moisture present in the atmosphere, wherein the collection structure is provided with a water recovery surface (24) which during use at least partly makes an angle with respect to the orientation of gravity. The plant irrigating system further comprises a reservoir (98) for storing the recovered moisture, wherein the reservoir is provided with irrigation means (19,21) for delivering moisture present in the reservoir to a subsoil located therebelow. The collection structure and the reservoir are manufactured from paper material and/or biodegradable plastic.