
Watercress can also be cultivated in pots providing the pots are placed in bigger containers filled with water. The plant requires a semi-shade location and frequent clipping as soon as the leafy stems are big enough to be picked and devoured. New axillary shoots appear quite soon. It is good to remember that the leaves become more bitter in taste when the plant starts blooming, but the flowers are perfectly edible. That little holes in the leaves visible in the photos are signs of insects' activity enjoying the taste of watercress. Watch those little creatures closely, because they can render watercress plants useless perforating the leaves