I have pots also and I picked a couple up off the road yesterday on my way to work.They are plastic but they work.
Sorry, I didn't realize I had failed to greet you until I saw your daffodils. Many welcomes from West Tennessee. 8)
I carry a folding spade, a pair of secateurs and some plastic bags in the car - well you never know what you might find when you're out and about do you!!