I grew Lavender Rainbow for several years early on. Finally tossed it on the compost pile after frustration with blasted scapes every year. Back then word had it that the tendency for scape blasting came from Tet. Priscilla's Rainbow. I never grew Priscilla's Rainbow so can't say for certain, but if you are using Lavender Rainbow for hybridizing it may be something you want to watch for in the seedlings.
