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When to Plant Collard Green in Zone 2B

USDA Zone

2B

Cities Covered

17

Avg Last Frost

Thursday, May 28, 2026

Plant Type

Indoor Start

📅 Planting Calendar for Zone 2B

Start Seeds Indoors Thursday, April 16, 2026
Transplant Outdoors Thursday, May 28, 2026

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

🌿 Plant Details

Scientific Name Brassica oleracea var. viridis
Days to Maturity 60 days
Sun Requirements Full Sun (6+ hours)
Plant Spacing 18" apart

Cities in Zone 2B

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Growing Collard Green in USDA Zone 2B

Collard Green (Brassica oleracea var. viridis) grows well in USDA Hardiness Zone 2B. This zone includes cities like Gakona, Glennallen, Mc Grath and 14 more.

The average last frost date for Zone 2B is around Thursday, May 28, 2026. For best results, start your Collard Green seeds indoors around Thursday, April 16, 2026, then transplant outdoors around Thursday, May 28, 2026.

Expect to harvest your Collard Green approximately 60 days after planting.