I know the Lily people buy them but I'm allergic to it..The seeds paint everything. Flowers don't bloom for me either. it's too dark and for the biggest part of the year it's cold.
You could place a few pots at a different spot.
Some plants don't like the environment,certain smells, paint for example.
The only flowers I have today is some blosdom left in the cherry tree (they turn into cherries) and I spotted the first poppy (good to relax, make syrup out).