Allium cepa 'Red'
Red Onion
Common names: Red Food Onion, Salad Onion
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Description
The red onion is milder and sweeter than the yellow kitchen onion and adds color to any salad. Its violet skin coat comes from anthocyanins that intensify under sunlight. In companion planting with carrots it forms a classic duo against the respective fly pests.
Care instructions
Plant the onion sets from March to April so that the tip just protrudes, in a sunny, well‑drained spot. Keep the bed weed‑free and water sparingly. Stop watering when the foliage turns yellow and wilts in August—then the onion is ready for harvest and can be stored.
Companion planting
Diseases & pests
2 relevantFrom the knowledge base, automatically linked by affected species.
Peronosporaceae
Peronosporaceae
Puccinia allii
Puccinia allii
Notes from real gardens
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