So, now we know when to harvest onions. But if you missed the planting window this year, it's never too late to learn when to plant onion sets and grow your own bulbs.

There are two main ways you can grow onions — from seed and from sets. Growing onions from seed offers several advantages ...

Onion sets are small, immature onions ... is essential for growing good crops of onion and garlic. It's possible to grow good onions on heavy soil, but the drainage should be improved prior ...

The Which? Gardening experts have grown and tasted onions from sets (little bulbs), ones from seed and autumn-planted ones so you can grow the tastiest and highest yielding varieties. We also explain ...