The disclosure features irrigation systems that include a base unit featuring a retractable fluid conduit, and a mobile unit coupled to the fluid conduit and including: a main body featuring an internal fluid channel having an opening a plurality of wheel supports rotatably coupled to the main body, where the internal fluid channel extends through the wheel supports to a first plurality of apertures two or more wheels coupled to the plurality of wheel supports and a second plurality of apertures extending from the internal fluid channel through a wall of the main body, where during operation of the irrigation system, water enters the internal fluid channel through the opening and is dispensed from the first and second pluralities of apertures.
