Bleu de Solaize Winter Leek - Biodynamically Grown and Organic

Bleu de Solaize
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Bleu de Solaize Winter Leek - Biodynamically Grown and Organic

Allium ampeloprasum (porrum group)
(110 days) Open-pollinated. This hard-to-find French heirloom is so named because its dark green leaves sometimes develop a tinge of blue during cold spells. Hardy fat medium-long shanks with mild flavor good in soups. Dates back to the 19th century. Adam Tomash and June Zellers successfully overwintered it in Zone 5 and trialer Donna Dyrek in Zone 4 with only straw mulch for protection. ①
OG/BDThis item is biodynamically grown and certified organic


2425 Bleu de Solaize - Biodynamically Grown and Organic
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Additional Information

Leeks

  • 1 gram packet about 240–360 seeds, 1⁄16 oz packet ~400–600 seeds; 1 oz, 6,400–9,600.

Culture: Start indoors with onions and transplant out in spring almost as soon as the ground can be worked. Set 6–12" apart in trenches or 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.

Summer leeks have tall shanks above ground and should be harvested before severe frosts. Hardier leeks have broader, shorter shanks and will hold till November. Leeks brought into the root cellar will survive almost all winter if heeled into soil. Leek seed is short-lived. Retest 1-year-old seed before using, and discard anything older.

Alliums

Culture: Start allium seeds indoors in February or March. Minimum germination soil temperature 45°; 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.

Germination Testing

For the latest results of our germination tests, please see the germination page.

Our Seeds are Non-GMO

Non GMO

All of our seeds are non-GMO, and free of neonicotinoids and fungicides. Fedco is one of the original companies to sign the Safe Seed Pledge.