No wonder that you could even find the weeds in the soil that you use in the pots that you place in the balcony or the corridor of your apartment style of house. You would have bought enough of pots just to make sure that you grow good flowers that smell during the nights like the jasmine or the night queen or else the day flowers like the rose. Irrespective of the flowers you grow, the soil would be the same and hence there is a chance that you could find the weeds that are particularly grown in the soil that you get from the online nursery from where you have bought the plants and the plant related nutrients that you could put in the pots once in a while as is directed by the online nursery.
If you want to get rid of weeds, then you should choose the most powerful weed killer that could remove the roots of the weeds and would not let you feel that you have done a mistake by growing plants where there is no plenty of sun light. Also, some might assume that the reason for weeds is the lack of sunlight and hence would try to put an end to the thought of growing plants. This is not the solution as you could find the most powerful weed killer online that could get rid of weeds from your sight. Once the weeds are removed you would be happy to see all types of flowers that you have planted in the pots to be blooming every now and then.
You could know the amount of this weed killer to be used for the small or big pots that you have in your apartment. No wonder, it would take time for the weed to be out of your sight, but until then be prompt in using the weed killer as suggested.