Allison Sloan of Shady Grove Wildflower Farm in Evanston collects pots for reuse! You can drop off pots at 918 Wesley in Evanston. Allison says, “Any sizes smaller than gallon, preferably with no logos and no cracks. Cleaned and stacked even better! Trays are useful too.”
Check with your own favorite garden center to ask if they collect pots for reuse.