Sow seeds 1/4-inch to a 1/2-inch deep, spacing the rows 12 to 18 inches apart. Cover the seeds lightly with soil. Water deeply. Once the seedlings emerge, thin them out so there is one plant per inch.

Once the onion seeds germinate, keep the young plants in a sunny south window or greenhouse. You may need to trim the tops to keep them at about 6-8 inches. Do not trim the roots when transplanting.

Best seeds to grow in January - from garlic and onions to peppers. As winter's chill bites outside, ... Here, a TikToker shares her favourite vegetable seeds to plant in January.