Sow From - January to December Crop From - January to December Seed Quantity - 1000 Seeds If you love watercress you'll love Aqua. A great, peppery strong flavoured water cress that doesn't even need running water. Just keep in a damp place and keep moist and you will have a delicious healthy water cress to pick straight from the garden or windowsill. Great flavour. Easy to grow.