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When to Plant Broccoli in Zone 1A

USDA Zone

1A

Cities Covered

5

Avg Last Frost

Monday, June 15, 2026

Plant Type

Direct Sow

📅 Planting Calendar for Zone 1A

Direct Sow Outdoors Monday, May 4, 2026

Pro Tip: Broccoli can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

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

Cities in Zone 1A

Other Plants for Zone 1A

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Growing Broccoli in USDA Zone 1A

Broccoli (Brassica oleracea) 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. Broccoli can be directly sown outdoors around Monday, May 4, 2026.

Expect to harvest your Broccoli approximately 60 days after planting.