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When to Plant Cabbage 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, November 20, 2025
Transplant Outdoors Thursday, January 1, 2026

Pro Tip: Start Cabbage seeds indoors 6 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Brassica oleracea var. capitata
Days to Maturity 70 days
Sun Requirements Full Sun to Partial Shade
Plant Spacing 18" apart

Cities in Zone 11B

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Growing Cabbage in USDA Zone 11B

Cabbage (Brassica oleracea var. capitata) 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 Cabbage seeds indoors around Thursday, November 20, 2025, then transplant outdoors around Thursday, January 1, 2026.

Expect to harvest your Cabbage approximately 70 days after planting.