Less watering worry.
Check what your containers need before changing the routine or buying equipment.
Start here
Check the growing mix
Decide from the pot’s condition rather than a fixed timetable.
Do my pots need water today?Check where water goes
Look at the planting pot, its drainage and any outer cover.
Does this pot need drainage holes?Plan for your routine
Make a care plan for time away or compare a reservoir container.
How can I care for pots while I am away?
Choose a path for your conditions
Common tasks & questions
Go deeper with your plants
How do I start growing herbs in pots?
Choose a herb for your space and care routine.
Read guideContainer growingCan I grow salad leaves in a container?
Start with baby or cut-and-come-again salads.
Read guideExternal sourceOther container plants
Check plant requirements alongside the RHS watering advice.
Read source guidanceCheck the individual plant and your local conditions. RHS guidance is written for the UK; Minnesota dates are regional too.
Tools & supplies
Estimate container volume
Use your own measurements or packet timing.
Open calculatorBuying decisionSelf-watering or an ordinary pot?
Match the reservoir to the plant and your routine.
Compare optionsBuying decisionPlastic or terracotta? Pick the pot that fits.
Compare materials, then check whether your existing pot will do.
Compare optionsSources behind this page
- RHS: How to water containersUnited Kingdom. Individual plants, weather and growing mix affect watering.Source checked 7 October 2026
- University of Maryland Extension: Self-Watering ContainersMaryland, United States. Reservoir designs. Refill needs vary; regional examples are not universal schedules.Source checked 7 October 2026
We summarise published guidance. We have not independently tested these methods or the products discussed.