Sure does look like it, Ann but I haven't noticed it making any plant proliferations on the flower stalks although they sure do clump up fast. I've divided them many times, and given them away, too. I have mine planted on the north side of the house, so they get the maximum amount of winter chill that I can give them. They're in the shade of the house all winter, and jump into bloom as soon as the sun gets over the house. I tried 'Joan Senior' a large white, and a couple from Home Depot. Joan did ok through the two years when we had cold winters, but has completely gone now. The others just petered out, too.
That Siloam Double Classic is gorgeous. D'you remember where you got yours? There are a lot of Siloam hybrids, it seems. Are they all heat tolerant, do you think?
