Growing green onions takes up very little space but will give you tons of zesty flavor.

These are the green onions most often found in grocery stores.

They are prized for their mild onion flavor and tender, garden-fresh texture.

green onions growing in a row in soil

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Green onions (the non-bulb-producing kinds) are the focus of this guide.

These plants are easy to grow and take up very little room as they develop.

They need good drainage, soraised beds are an excellent choicefor growing green onions.

They can also be grown in containers along with herbs or edible flowers.

Like other onions,green onions can be toxic to pets when eaten in large quantities.

They grow rapidly and are ready for harvesting in about 60 to 90 days.

They take minimal space and quickly produce a harvest.

Excellent drainage is essential; too much moisture causes roots to rot.

If you grow green onions in containers, the pots must have adequate drainage holes.

Green onions prefer steady moisture but dont like soggy soil.

Temperature and Humidity

Because they arecool-season crops, green onions grow best in spring and fall.

Seeds germinate when soil temperatures are above 40F, although the optimum temperature for germination is 75F.

Humidity is not a problem for green onions.

Watering with a soluble fertilizer such as fish emulsion each month is another option.

Potting and Repotting

Green onions can be grown in containers outside.

Choose a 12-inch or deeper container with drainage holes and fill it with moist but well-draining potting soil.

Sow seeds 14 inch deep.

After the seedlings have true leaves, add a layer of mulch to keep down weeds.

Repotting isn’t necessary.

Ifslugs are eating your green onions, spread diatomaceous earth on either side of the row.

Sow seeds thinly, about 14 deep, and keep the soil evenly moist.

When the seedlings are 1-2 inches tall, thin them to 2 inches apart.

For a continuous harvest, sow throughout the summer every two to three weeks.

Replant the clumps and water with a slow-release liquid fertilizer.

This crispy green onion tolerates light frost and part shade.

It matures in 65-75 days.

White Spear

Allium fistulosumWhite Spear scallion is a vigorous, upright plant with no drooping.

It is heat-tolerant but not as cold-tolerant as some other varieties.

Wait until the temperature reaches 55F to direct sow outdoors.

It develops long white shanks and straight blue-green leaves.

It matures in about 60 days.

Red Beard

Allium fistulosumRed Beard is a Japanese variety bunching onion.

It is fast-growing with bright red shanks.

It has a mild flavor that resembles that of leeks.

It grows 24 inches tall and matures in approximately 60 days.

It needs only occasional division of clumps after it is established.

Harvesting can begin after 65 days.

Fukagama

Allium fistulosumFukagawa is a Japanese bunching onion prized for its mild, sweet flavor.

Popular with Japanese cooks, this green onion is easy to grow and matures in 60-70 days.

Frequently Asked Questions

Yes, as long as the roots are still attached.

Set the plants in a jar with the roots down, adding just enough water to cover the roots.

Keep the jar in a bright window and maintain the water level so the roots are always covered.

Change the water at least once a week.

Dont over-harvest the leaves of bulb-forming onions or you might reduce the size of bulbs that are forming.