[ It really doesn't. Silver laments not having chosen a more challenging quest to undertake, but he did want an opportunity to study this world's plants and herbs more closely. He just didn't think he'd be standing in a catnip field, trying to determine the subtle difference among varieties.

Sniffing them obsessively tells him absolutely nothing. ]

I am not sure which one is more potent. I've never had a cat before, so I have very little insight into their preferences. I would say they both smell...earthy.