Just want to thank Sue for her comments on my salvia pics. I love her Salvia "Costa Rica Blue" and I looked it up. I see it is supposed to be hardy down to 20 degrees, but Salvia guaranitica is supposed to be tender, here, too, and we have gone down to 10 degrees on at least two occasions before, and definitely below 20 degrees numerous times, and the salvia comes back. I gave a start of this to my mother and a friend of hers in MO--Zone 6b--and it is thriving there with no mulch. Guess it hit just the right spot. The salvia I saw on the Perennials Forum grown from seed is Salvia patens "Blue Angel" Several years ago, I tried growing this one from seed, but one miserable plant came up that didn't last long. I believe the soil needed to be better, but that's just a guess. I love agastaches, but the few I have tried to grow don't last long, I think in this case our soil was too wet.