Large supermarkets, food halls, delis and speciality greengrocers stock increasing varieties of cress. It can also be bought from farm shops or online. Keep punnets of cress on the windowsill ...

Coriander cress is not widely available, but can be bought from farm shops, food halls, gardening centres, speciality greengrocers or online. Keep the punnets on a windowsill and water regularly ...

To pot rock cress, choose a container with adequate drainage holes and fill the pot with a well-draining succulent potting ...