Common cress is very easy to grow and very fast too. Ideal veg to teach kids to grow food. Just sprinkle the seeds on a top of some wet paper kitchen towel or cotton wool and keep the seeds moist on your windowsill. Ready to harvest in about 8 days. The seeds can be sown inside all year around. Ideal in egg sandwiches or as a garnish in different paste dishes. Or why not try sprinkle it over your risotto. Keep moist at all times. Ready to cut when the seedlings are about 5 cm tall.