Solar Powered Drip Irrigation System, OHYEAHSPIN Solar Automatic Garden Watering Outdoor Greenhouse Accessories Supported 15 Pots Plants & 6 Timer Modes

amazons sells this small solar water kit, its fairly cheap. Put it up (needs some sun to keep it charged), run the lines and put the tube into a large container of water.. it will water every X hours like 12 or 24 for X minutes, etc. something like this - https://www.amazon.com/Solar-Drip-Irrigation-OHYEAHSPIN-Accessories/dp/B0D2HPN5LV?th=1 edit: if you don't have the time for that, look up using plastic soda bottles and pin prick holes to drip water slowly.. or those bulbs. you can find those in lowes\home depot.