Sow onion seed

Gardeners' World - - Greenhouse -

Grow­ing onions from seed rather than sets gives more choice of va­ri­eties – it’s how ex­hi­bi­tion onion grow­ers do it. The sum­mer onion crop must be sown this month. Prick out the seedlings as soon as they can be han­dled and grow them on in the green­house be­fore plant­ing into your veg patch.

1 FILL a seed tray with loam-based seed com­post. Level the sur­face and firm gen­tly with a flat board be­fore soak­ing in tepid wa­ter.

2 SOW the onion seed onto the moist sur­face of the com­post, sieve a fine layer of com­post over the seed, then press it gen­tly.

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