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When to Plant Brussels Sprout in Zone 1B

USDA Zone

1B

Cities Covered

11

Avg Last Frost

Wednesday, June 10, 2026

Plant Type

Indoor Start

📅 Planting Calendar for Zone 1B

Start Seeds Indoors Wednesday, March 18, 2026
Transplant Outdoors Wednesday, June 10, 2026

Pro Tip: Start Brussels Sprout seeds indoors 12 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Brassica oleracea var. gemmifera
Days to Maturity 84 days
Sun Requirements Full Sun

Cities in Zone 1B

Other Plants for Zone 1B

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Growing Brussels Sprout in USDA Zone 1B

Brussels Sprout (Brassica oleracea var. gemmifera) grows well in USDA Hardiness Zone 1B. This zone includes cities like Arctic Village, Bettles Field, Chicken and 8 more.

The average last frost date for Zone 1B is around Wednesday, June 10, 2026. For best results, start your Brussels Sprout seeds indoors around Wednesday, March 18, 2026, then transplant outdoors around Wednesday, June 10, 2026.

Expect to harvest your Brussels Sprout approximately 84 days after planting.