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Onion Evergreen

Evergreen

Allium fistulosum

$3.99

2 g Approximately

Evergreen White Nebuka is a cold-hardy, non-bulbing heirloom scallion (Allium fistulosum) popular in Asian cuisine and increasingly used in American dishes. These onions are valued for their mild, delicate flavor, easy growth habit, and versatile culinary applications. Ideal for roasting, grilling, or using fresh in salads, these bunching onions are a staple for home gardens.

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  • Type: Heirloom, Open Pollinated
  • Life Cycle: Annual (hardy perennial in some climates)
  • Hardiness Zones: 2–9
  • Light: Full Sun
  • Plant Dimensions: 12″” tall, narrow white bases
  • Soil Requirements: pH 6.2–6.8, rich, well-drained
  • Temperature Range: Germinates best at 55–68°F
  • Days to Maturity: Varies; subtract 10–15 days when transplanting
  • Plant Resistance: Deer, disease-resistant, slow to bolt

Sowing:

  • Direct sow 1/4–1/2″” deep in early spring or late summer.
  • Space seeds 1/4″” apart in rows 12–18″” apart for wide bands.
  • For transplants, sow in trays, 6–8 seeds per cell, and transplant when 8–18″” tall.

Spacing:

  • Thin to 2–6″” apart if larger stalks are desired.
  • Blanching: Hill plants 2–3 times during growth to elongate and whiten stalks.
  • Soil Preparation: Enrich with aged compost; onions prefer fertile soils free of weeds.
  • Care: Water moderately and keep soil moist but not soggy. Use mulch to retain moisture and suppress weeds.
  • Pest Management: Watch for onion thrips, maggots, and fungal diseases like botrytis or downy mildew. Rotate crops and use natural predators or fungicides as needed.
  • Wintering: Apply mulch in colder climates for overwintering and remove excess in spring.
    Succession Planting: For continuous harvests, sow seeds every 3–4 weeks.

Culinary Uses

  • Applications: Use raw or cooked in salads, stir-fries, soups, and as garnishes. Excellent for grilling or roasting.
  • Asian Cuisine: Commonly used in noodle dishes, hot pots, and pancakes.
  • Mexican Cuisine: Grilled and paired with lime juice as a side dish.
  • Harvest Tips: Best harvested at 10–12″” tall. Larger stalks can be trimmed to use tender portions.

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