Is it the West Country weather, do you think?
I have white ones that flower at any time they like. The original was bought from a roadside stall in September, in flower. The rest start in Jan/ Feb according to weather conditions. Unfortunately those white ones are subject to something that's probably viral which the others never get. Bent leaves and sick looking
No, not H niger Verdun. They just die and disappear. These are white orientalis hybrids