OK, I have these two shrubs (I am not sure of the spelling of
dipladema as I don't have its card in front of me, but I was told
butterflies and hummingbirds love them). I notice that on both,
the blooms are located on new growth.
I think you should go get the "card".
Travis in Shoreline (just North of Seattle) Washington
USDA Zone 8
Sunset Zone 5