“If you’d prefer smaller onions, wait to sow your seeds until March or April.” To grow, Andrew recommends filling a tray with ...

Add nitrogen-rich fertiliser at planting time and every few weeks throughout the season. Be sure to practice crop rotation each year too. Start onion seeds indoors. It can take up to two weeks for ...

Sadly, I would suggest almost nothing is worth sowing outdoors until at least March ... with minimal protection. For the biggest bulbs, onion seed is traditionally sown, with a little heat, in January ...

Onions and garlic are satisfying to grow and ... liming it so its pH level becomes neutral or even slightly alkaline. Sow seed in modules in January or February at 10-15°C (50-59°F).

Planting can take place from mid-April ... the bulb from sending its energy into forming flowers and seed. Bulbs: Bulbing onions can be harvested at any point that the bulb is the desired size.