An automatic plant watering device (1) comprising a reservoir (4) for holding water, a support portion (4) for supporting a container (2), (3) of earth above the reservoir (4) in use and at least one projecting watering portion (5) extending from the reservoir (4) and for extending into a supported container of earth in use. The watering portion (5) comprising a wicking material portion (52) for conveying water under capillary action from the reservoir (4) towards a supported container (23) of earth in use.