Thanks, Polly. I took the liberty of making this a PPOTW. I have "regular" Nepeta cataria in pots and my in-ground fave is Nepeta racemosa 'Walker's Low'. That's all I have here just yet, but I know I will be getting or starting more this year.
Yours look great! Very nice with the Iris.
Catmint (Nepeta x faassenii 'Walker's Low')
