ZonePlant
American Flag leek

vegetable variety in zone 4b

American Flag leek in zone 4b

American Flag · Allium ampeloprasum

Zone
4b -25°F to -20°F
Growing season
130 days
Days to harvest
100 to 130

The verdict

Detailed guidance for this section is being prepared. Check back soon.

About American Flag

Mild, sweet, classic flavor; heritage open-pollinated variety with thick white shanks. Soups, gratins, fresh. Cold-tolerant, dependable home-garden standard.

Critical timing for zone 4b

Detailed guidance for this section is being prepared. Check back soon.

Common challenges in zone 4b

  • ▸ Spring frost timing
  • ▸ Apple scab pressure
  • ▸ Cane berry winter dieback

Modified care for zone 4b

Detailed guidance for this section is being prepared. Check back soon.

American Flag in adjacent zones

Other leek varieties for zone 4b

Frequently asked questions

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Will American Flag leek grow in zone 4b?

Yes. American Flag is recommended for USDA zones 4a through 7b, which includes zone 4b.

Image: "In zaad geschoten prei. (Allium ampeloprasum). Locatie, De Kruidhof Buitenpost 03", by Dominicus Johannes Bergsma, via Wikimedia Commons, licensed under CC-BY Source.

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