I noticed some of my plants are depleted, if I put them up for sale will they still sell that way?

Also is it better to sell a plant before it is depleted or does it matter?

Thanks

Yes, depleted plants will still sell. As long as they've been cared for and are in good condition. And it depends on the circumstances about whether to sell your plant is it's depleted or not.

Depleted simply means that it is finished producing seeds (and you've harvested them all). You can still use the plant to pollinate other plants or you can sell it, which is the usual thing to do with it.