How to grow watercress at home in a container

Written by shara jj cooper Google
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How to grow watercress at home in a container
Grow your own organic watercress at home. (thaumatrope/iStock/Getty Images)

Watercress is a perennial herb that naturally grows in water but will also grow indoors in a container. This herb has a spicy, peppery taste and is used in many dishes like soups and salads. Plant the watercress seeds in the spring and grow them in a sunny location. Never let these water-loving plants dry out. Harvest leaves when needed but, for the best taste, harvest them before the plant flowers.

Skill level:

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Things you need

  • Soil-free potting medium
  • Container
  • Watercress seeds
  • Larger container
  • 10-10-10 fertiliser
  • Scissors

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  1. 1

    Fill the container with a soil-free potting medium that is well draining and nutrient rich. Look for media that contains perlite and peat moss.

  2. 2

    Water the container from the top to saturate the media and place it on a tray filled with water to keep it wet. Watercress likes plenty of water.

  3. 3

    Sow seeds 6.5 mm (1/4 inch) deep. Sow them thickly to ensure you have plenty of sprouts.

  4. 4

    Keep the seeds wet until they sprout. Once each sprout has a full set of leaves, thin the plants so they are spaced 20 cm (8 inches) apart.

  5. 5

    Place the container in a larger container filled with 7.5 cm (3 inches) of water. This will ensure the watercress stays wet and the roots are submerged. Change the water once a week.

  6. 6

    Fertilise the watercress with a liquid 10-10-10 fertiliser at the rate recommended by the manufacturer.

  7. 7

    Harvest the dark leaves year round by cutting or pinching off the leaves.

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