Sort by what you can actually use
Empty the pot collection and group containers by size and condition. In a UK or Irish garden shed, a stack of unusable pots can hide the few you need. Set aside cracked, unstable or unsuitable containers rather than passing the problem into the next planting season.
Check the previous contents
Remove old labels and growing material, keeping any relevant plant-health history in mind. A pot associated with a disease problem needs appropriate cleaning or disposal advice. Do not assume that a quick rinse resolves every contamination issue.
Inspect drainage and stability
Check that drainage openings are clear and that the container can stand securely in its intended position. Avoid drilling unknown materials without considering safe handling. Match the pot to the expected root space and maintenance routine instead of choosing it solely because it is free.
Store a usable inventory
Keep clean, dry pots arranged so sizes are easy to find. Share sound surplus containers locally where accepted, and use the council’s current guidance for damaged plastic or ceramics. Reuse is most effective when it prevents an unnecessary purchase and leaves the next planting job easier to complete.