Seed Saving.
Vegetale Garden Guide. An easy to grow and store vegetable - makes it essential to learn how to grow onions. Few vegetables have more uses in the kitchen than onions, which means they are constantly in demand. Fortunately with the introduction of the Japanese varieties the June-July gap can now be filled... so learning how to produce an all-year-round supply comes easy with your newly acquired knowledge of how to grow onions. Planting onions successfully has never been easier.
Growing onions from 'sets' takes away nearly all the risk. The advantages of growing from onion sets are...they need less skill and soil fertility they are quick to mature so suit northern areasthey are not attacked by onion fly or mildewThere is a slight increase in the risk of 'bolting' (running to seed) when using onion sets but modern varieties are much less prone to this. Three ways that experience has taught vegetable gardeners how to grow onions are: ...Salad or Spring Onions - sown March to July for pulling from June to October.
RHS Gardening. Companion Planting. Dig My Plot. Allotment Growing.