vegetable variety
American Flag
Leek · Allium ampeloprasum
USDA hardiness range
- Zones
- 4a–7b
- Days to harvest
- 100 to 130
- Sun
- Full
- Water
- Moderate
- Lifespan
- biennial grown as annual
At a glance
Mild, sweet, classic flavor; heritage open-pollinated variety with thick white shanks. Soups, gratins, fresh. Cold-tolerant, dependable home-garden standard.
Growing American Flag
Detailed guidance for this section is being prepared. Check back soon.
Flavor, texture, and use
Detailed guidance for this section is being prepared. Check back soon.
Growing notes
Detailed guidance for this section is being prepared. Check back soon.
American Flag by zone
Zone-specific suitability, frost timing, and adjacent-zone notes.
Other leek varieties
2 sibling cultivars profiled on ZonePlant.
Frequently asked questions
- What zones does the American Flag leek grow in?
American Flag grows in USDA zones 4a through 7b.
- How does American Flag compare to other leek varieties?
American Flag is one of 3 leek varieties profiled on ZonePlant. See the full leek variety table for side-by-side comparison.
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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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