Onion (Multi-sown) Growing Guide

Allium cepa

Crop Rotation Group

Allium (Onion family) ●

Soil

Fertile, well-drained soil enriched with compost.

Position

Sun or partial shade.

Frost tolerant

Yes.

Feeding

Not normally required.

Spacing

Single Plants: 30cm (11") each way (minimum)
Rows: 30cm (11") with 30cm (11") row gap (minimum)

Sow and Plant

Start seeds in pots under cover in late winter before planting out in spring. Sow 6-7 seeds per station to grow 4-5 plants.
Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area.

Notes

Japanese variety onion sets can be used to give an early harvest.

Harvesting

Harvest as soon as they reach a reasonable size. If storing them, wait until the tops start to die down and dry for about 10 days. Not recommended in the tropics.

Planting and Harvesting Calendar

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Pests which Affect Onion (Multi-sown)

Aphids (General)

Slug

Snail