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When to Plant Leek in Zone 1A

USDA Zone

1A

Cities Covered

5

Avg Last Frost

Monday, June 15, 2026

Plant Type

Indoor Start

📅 Planting Calendar for Zone 1A

Start Seeds Indoors Monday, April 6, 2026
Transplant Outdoors Monday, June 29, 2026

Pro Tip: Start Leek seeds indoors 10 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Allium ampeloprasum
Days to Maturity 120 days
Sun Requirements Full Sun

Cities in Zone 1A

Other Plants for Zone 1A

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Growing Leek in USDA Zone 1A

Leek (Allium ampeloprasum) grows well in USDA Hardiness Zone 1A. This zone includes cities like Allakaket, Beaver, Circle and 2 more.

The average last frost date for Zone 1A is around Monday, June 15, 2026. For best results, start your Leek seeds indoors around Monday, April 6, 2026, then transplant outdoors around Monday, June 29, 2026.

Expect to harvest your Leek approximately 120 days after planting.