Some gardeners have mixed results with tomatoes ingrowbags, particularly later in the season when the need for water and feed is high.
2013,Charles Dowding,Organic Gardening: The Natural No-Dig Way, 2nd edition, UIT Cambridge/Green Books,→ISBN, page359:
Growbags / On the other hand, tomatoes in the restricted space ofgrowbags need some liquid feeding, and they are the easiest solution for paved greenhouses, especially now that organicgrowbags are available. Go for larger sizes because otherwise watering may become a chore, as mature tomato plants can suck smallgrowbags dry in half a day of hot sunshine.