Ibis, I know you wanted flowers but maybe you can plant flowers in the ground outside of the pot in the ground close to the opening of the pot. Because it is suppose to look like the plants are flowing from the pot to the ground.
I do mostly foliage because flowers are fleeting and foliage is always. Do you want flowers because of the color? Since you have planted Bromelaids how about Cryptanthus they are small and maybe you would be able to see them as a good flower replacement. They are small and you can throw some other colors in and around the pot spill to give the effect of flowers.
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