How can I upcycle empty plant containers?

if you have too many some garden centers will take

Hi Maureen. I use mine to start seeds indoors in Spring.

You could use them for storage of gardening items

Hi Maureen, here's some ways to use those empty pots. You should also be able to bring them back to the garden center or recycle them.

https://www.growveg.com/guides/6-ingenious-ways-to-reuse-plant-pots/