Grow amazing alliums and learn how to plant onion bulbs at home. Starting onions from seed is easy; learn how to plant onion seeds and the best cultivars based on your growing zone.

Growing onion from seeds has its own benefits — and, in most cases, it's worth the added effort, since onions grown from seed stay firmer and last longer in storage. Type of Onion Day Length Best For ...

The day length or the number of sunlight hours ... Always use fresh seeds, since onion seeds are short-lived and are less likely to successfully germinate over time. Sow seeds about one inch ...