Hi there, Paul. Thanks for the comment! Flowers of the first flush are usually 1.5 to 1.75 in across and a bit smaller later in the season. I have to admit that this was one of the first 3 blooms and I had great hopes for more stunning HT like mini blooms. Alas, not one bloom that i've seen since then has been as flawless as this one. That being said, it has done very well in the large container on my south facing deck. Unfortunately, here in BS hell (Vancouver, canada) it has to be sprayed.