Plant onion sets (immature onions) 5-10cm (2-4in) apart in rows 25-30cm (10-12in) apart from mid-March to mid-April. Gently push the sets into soft, well-worked soil so that the tip is just showing, and firm the soil around them. You can read more here: https://www.rhs.org.uk/advice/grow-your-own/vegetables/onions Besides if you do have any questions give me a call: https://clarity.fm/joy-brotonath