Should you buy sets or seeds? Long-day or short-day onions? Learn how to grow onions, and how to harvest and store them ...

Growing onions is easy to do, both from seeds and onion sets. Discover our best onion varieties and tips for how to grow them Ceri ThomasEditor, Which? Gardening Ceri studied horticulture at the ...

For years I thought that black onion seeds had something to do with onions. They don¹t. What we call black onion seeds are in fact Nigella seeds, known as Kalonji. One of the most striking ...