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When to Plant Kohlrabi in Zone 11B

USDA Zone

11B

Cities Covered

14

Avg Last Frost

Friday, January 1, 2027

Plant Type

Indoor Start

📅 Planting Calendar for Zone 11B

Start Seeds Indoors Friday, December 4, 2026
Transplant Outdoors Friday, December 18, 2026

Pro Tip: Start Kohlrabi seeds indoors 4 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Brassica oleracea var. gongylodes
Days to Maturity 55 days
Sun Requirements Full Sun

Cities in Zone 11B

Other Plants for Zone 11B

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Growing Kohlrabi in USDA Zone 11B

Kohlrabi (Brassica oleracea var. gongylodes) 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 Friday, January 1, 2027. For best results, start your Kohlrabi seeds indoors around Friday, December 4, 2026, then transplant outdoors around Friday, December 18, 2026.

Expect to harvest your Kohlrabi approximately 55 days after planting.