Cress : Water Cress seeds Ref: TM01400992 SowingSow in mid spring when the soil has warmed up in very shallow drills spread 7.5cm (3in) apart, and cover with a light covering of soil. As regular watering is necessary you may wish to have your drill at the bottom of a small trench approximately 8-10cm (3-4in) deep for easier watering.<p>To grow in a container, plant 3-4 to a 30cm (12in) tub or pot and stand in a container with about 2-3in of water, in the shade. Keep the water constantly topped up to this level.GrowingThin out the seedlings finally to 10cm (4in) apart and water regularly and copiously throughout the season.Aftercare Keep weed free and harvest once the plants have become well developed by trimming off tops of the shoots with sharp scissors. Don't cut too low down in order to allow the stems to produce side shoots.FloweringcroppingPlant typeVegetable Price: £1.99 Quantity: