From my experience (which is not much) buds and new growths at the same time is not the natural sequence of events.
In my view, nitrogen is not good for bud formation but it's good for new growths. Since your flowers are already formed, but you already have new growths, the logical conclusion would be to start now. I advised the middle term between Jan and Apr just for caution.
If you're talking about nobile dens...are you getting new shoots from the base or are you seeing growth development along the canes?
Typically nobile type flower and then produce shoots from the base. Typically being the key word but, as we all know, sometimes these plants have their own minds about things.
If the growths are along the canes...no fert until after blooms have faded. If actual new shoots...I would prob wait awhile in order to hopefully get the plant back on track toward a more usual schedule.
From my experience (which is not much) buds and new growths at the same time is not the natural sequence of events.
In my view, nitrogen is not good for bud formation but it's good for new growths. Since your flowers are already formed, but you already have new growths, the logical conclusion would be to start now. I advised the middle term between Jan and Apr just for caution.
Oh I've got them all, bl**dy minded little s*ds. Buds on some, shoots on some and a couple with both.