Allium cepa (aggregatum group) (110 days) F-1 hybrid. The darkest red-skinned variety available from seed, Camelot is our choice for a good hybrid Prisma replacement with the same smooth and onion-y taste. When divided, has a bigger bulb than Prisma, 1–1½" across and 2" long. Donna Dyrek’s were out of the ground curing on Sept. 20 from an April 6 start. Can store till April or beyond. Adapted to 40-55° latitudes. ④
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The sweetest and mildest member of the onion family, important in Asian, Persian and French cuisines.
Culture: Start indoors in Feb. or March and transplant out in spring almost as soon as the ground can be worked. Set 4–6" apart in trenches in well-dug beds with generous quantities of organic matter. Avoid transplanting next to grass strips; slugs love to dine on tiny allium seedlings. Irrigate seedlings whenever the topsoil dries out.
Culture: Start allium seeds indoors in February or March. Minimum germination soil temperature 50 °; optimal range 60-70 °. We discourage using bottom heat because alliums germinate poorly in soil temps above 70°. Transplant in spring soon after the ground can be worked.
Alliums are heavy feeders and want generous amounts of organic matter, fertilizer and water. Late transplanting and poor fertility can result in small onions or failure to form bulbs. Alliums are notoriously intolerant of weeds. Slugs love to munch them, and in areas above 40° latitude, root maggots may be a problem.
About allium seed: Allium seed is short-lived. We do not hold over hybrid onion seed because of precipitous decreases in germination. Test 1-year-old seed before using. Discard anything older.
Diseases: DM Downy Mildew PR Pink Root
ALERT: Leek Moth is emerging as a serious pest potentially affecting all Alliums in the Northeast. Consult your local Cooperative Extension for more info.
For the latest results of our germination tests, please see the germination page.