following is a post from the International Discussion Group for Primula which I
thought was interesting for several reasons:
We had a case, in Scotland, of a greenhouse and its contents being
with a herbicide on purpose by someone with a grudge. The
some of the difficult primula seed germinated like mustard and
Lesson 1: be patient and keep the flats if you have room. Lesson
can be amazing resilient, even to herbicide.