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When to Plant Leek in Zone 11B

USDA Zone

11B

Cities Covered

14

Avg Last Frost

Thursday, January 1, 2026

Plant Type

Indoor Start

📅 Planting Calendar for Zone 11B

Start Seeds Indoors Thursday, October 23, 2025
Transplant Outdoors Thursday, January 15, 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 11B

Other Plants for Zone 11B

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Growing Leek in USDA Zone 11B

Leek (Allium ampeloprasum) grows well in USDA Hardiness Zone 11B. This zone includes cities like Long Key, Islamorada, Key West and 11 more.

The average last frost date for Zone 11B is around Thursday, January 1, 2026. For best results, start your Leek seeds indoors around Thursday, October 23, 2025, then transplant outdoors around Thursday, January 15, 2026.

Expect to harvest your Leek approximately 120 days after planting.