Onions (Green) Growing Guide

Onions (Green), also known as Scallions

Crop Rotation Group

Allium (Onion family) 

Soil

Any average, well drained soil.

Position

Full sun to partial afternoon shade.

Frost tolerant

Many varieties are cold hardy to -10F (- 33C) when well rooted in the garden.

Feeding

Work an organic fertilizer into the soil prior to setting out seedlings or sets.

Companions

Beet, Lettuce, Potatoes, Carrot, Tomato and Cabbage. Often planted with mound-forming herbs.

Spacing

Single Plants: 3" (10cm) each way (minimum)
Rows: 3" (10cm) with 3" (10cm) row gap (minimum)

Sow and Plant

Start seeds indoors in late winter to early spring when growing cold-hardy bunching varieties. Or, plant large sets close together and harvest the plants when young.
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.

Notes

Any immature onion can be eaten as a green onion, or scallion.

Harvesting

Pull individual plants as you need them in the kitchen. With perennial bunching varieties, lift clumps in spring or fall and replant some of the divisions.

Troubleshooting

Slugs often chew holes in onion leaves in wet weather.

Planting and Harvesting Calendar

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Pests which Affect Onions (Green)

Plant Diseases which Affect Onions (Green)