How to Grow Onions

How to grow
onions

A staple that stores for months and flavors everything you preserve β€” the simple path from set to cured bulb.

Rows of onions growing in a garden bed with cured onions beside them

Set to cured bulb

Pick the type

Match your day length

Long-day onions for the north, short-day for the south, day-neutral almost anywhere. This choice makes or breaks the crop.

Easiest start

Plant sets

Small starter bulbs ("sets") are the beginner's shortcut β€” plant in early spring, pointy-end up, an inch deep.

Feed & weed

Sun and no competition

Full sun, steady feeding early, and keep them weed-free β€” onions hate competition for light and food.

Cure to store

Let the tops fall

When the tops flop and brown, lift and cure 2–3 weeks in a dry airy spot. Cured onions keep for months.

The storage trick: stop watering once the tops start to fall, and cure fully before storing. Under-cured onions rot; well-cured ones last through winter.

The blueprint we started with

For onions plus the whole grow-and-store plan, The most complete beginner's manual we've found is The Self-Sufficient Backyard β€” Ron & Johanna Melchiore's 40 years off-grid distilled into food, water, power and 75+ DIY projects. Our honest take:

Read our full honest review β†’

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