While traditionally grown along stream banks or in other moist areas, watercress can also be successfully grown in containers set in a saucer of water (change the water regularly).
While traditionally grown along stream banks or in other moist areas as an aquatic or semi-aquatic plant, watercress can also be successfully grown in containers set in a saucer of water (change the water regularly). Watercress has a creeping growth habit and develops broader leaves than extra curled cress. The dark green leaves and stems have a crisp, pungent flavour when young. Well suited to hydroponic gardening. Watercress becomes bitter when it starts to flower. Reliably hardy outdoors to Zone 6, possibly to Zone 5 as well.
10 g $7.70
25 g $15.75
125 g $50.30
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How To Grow
In a mostly sunny to a lightly shaded area, scatter seeds on the surface right along the waterline of a stream with clean, slowly moving water. Some seed will fall on the soil and of course some will fall into very shallow water. Seed can also be started in a container filled with 5-7.5 cm (2-3") of an open growing mix. Sow the seed on the surface and lightly cover with the growing medium to no more than 6 mm (1/4") deep. Set the container in a tray/saucer containing water. Never let the growing medium dry out - do this by always ensuring the tray/saucer is filled with water. At the same time, remember to change the water in the tray/saucer regularly to prevent it from becoming stagnant. Harvest stems by cutting them off close to the soil line once they reach about 15-20 cm (6-8") in length.
Start Indoors or Sow Direct in Spring or Fall
Days to Emergence
7 to 10
Low to Medium %287%2E5 to 30 cm%29%283%22 to 12%22%29