Bunching Onions growing guide (Bunching Onions or True Scallions)

Bunching onions may be considered perennials, though they are technically biennials. However, because they’ll continue growing and dividing on their own, producing a continual supply, some gardening books refer to them as perennials.

Bunching onions that are left in the ground over the winter will produce a purple flower cluster atop a stalk in the spring.

They have a mild, tender onion flavor, much like young onion greens, and can be used fresh in salads or for fresh eating. Their flavor is at its mildest in the springtime.

They do not form bulbs, as onions do, only a slightly swollen, white base.

Bunching onions seeds can be sown thickly straight in your garden plot. Sow them in February or March in mild winter areas, and in April or May in colder areas.

'Evergreen Long White Bunching Onions' - seedlings

‘Evergreen Long White Bunching Onions’ seedlings

They need consistent moisture in order to germinate. To help prevent them from drying out, try laying a burlap sack over the seeded area and make sure the sack stays damp. Check underneath the burlap sack every day for signs of seedlings. When they appear, remove the burlap sack and keep the ground consistently moist.

They like light, rich soil, but are not as heavy feeders as common onions, and will do fine in a less-fertile soil.

Bunching onions grow rapidly and are practically free of diseases or insects. They’ll be ready to harvest beginning in June or July. They’re usually harvested when they’re about 8-10 inches tall, though they can be harvested at any stage of their growth.

For more information on other members of the allium family, click here.

Check out the growing guides for others in the allium family:

Elephant Garlic
Onion/Common Chives
Chinese/Garlic Chives

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