Growing onions from seed is budget-friendly and easier than you think.
Onion seeds only stay viable for one to two years, and then their germination rates rapidly decline.
Its usually best to buy fresh onion seeds every year.
Credit:Jason Donnelly
Use Roomy Containers
Repotting onions can be tricky, and young seedlings are easy to damage.
Onion seeds dont need light to germinate, but they should bemoved under a grow lightafter they sprout.
Keep Seeds Warm
Like most other vegetable seeds, onions germinate faster in warm soil.
Remember toharden off the seedlingsfor a week or two before transplanting to avoid transplant shock.
Prepare the soil by digging a shallow trench andsprinkling compost along the trench base.
Space onions about 4 to 6 inches apart in rows approximately 12 to 18 inches from each other.
Continue to water and fertilize your onion plants until the leaves begin to droop, signalingharvest seasonhas begun.
Most onions take about 90 to 100 days to reach a harvestable size when grown from seed.