my LocalPlanting

When to Plant Brussels Sprout in Zone 1A

USDA Zone

1A

Cities Covered

5

Avg Last Frost

Monday, June 15, 2026

Plant Type

Indoor Start

📅 Planting Calendar for Zone 1A

Start Seeds Indoors Monday, March 23, 2026
Transplant Outdoors Monday, June 15, 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 1A

Other Plants for Zone 1A

Browse Other Zones

Growing Brussels Sprout in USDA Zone 1A

Brussels Sprout (Brassica oleracea var. gemmifera) grows well in USDA Hardiness Zone 1A. This zone includes cities like Allakaket, Beaver, Circle and 2 more.

The average last frost date for Zone 1A is around Monday, June 15, 2026. For best results, start your Brussels Sprout seeds indoors around Monday, March 23, 2026, then transplant outdoors around Monday, June 15, 2026.

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