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When to Plant Larkspur 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 18, 2026

Pro Tip: Larkspur can be directly sown outdoors. Plant 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Consolida ajacis
Days to Maturity 65 days
Sun Requirements Full Sun to Partial Shade
Plant Spacing 9" apart

Cities in Zone 1A

Other Plants for Zone 1A

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Growing Larkspur in USDA Zone 1A

Larkspur (Consolida ajacis) 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. Larkspur can be directly sown outdoors around Monday, May 18, 2026.

Expect to harvest your Larkspur approximately 65 days after planting.