I've grown this plant for years so I should know what it is. But when I brought it out of the garage this spring, my brain experienced a dead pixel because I cannot remember the name of it. I've tried.
Can anyone help? I promise to make a tag once I know what to write!
Thank you.

A member of Nepeta genus perhaps? Catnip/catmint? How does it smell?

That could be it. I'll smell it tomorrow.
Thanks.