When to Plant Larkspur in Bancroft, Wisconsin (54921)

Location

Bancroft, Wisconsin

ZIP Code

54921

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Direct Sow Outdoors Tuesday, April 7, 2026

Pro Tip: Sow Larkspur directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Consolida ajacis

Days to Maturity 65 days

Mature Height 24-48"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Moderate (1 inch/week)

↔️

Spacing

9" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 14-21 days

Ready to Plant Larkspur in Bancroft?

Get your seeds now so they're ready by Tuesday, April 7, 2026.

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Growing Larkspur in Zone 4b

Larkspur (Consolida ajacis) is a popular garden vegetable. In Bancroft, Wisconsin, which is in USDA Hardiness Zone 4b, you should direct sow seeds around Tuesday, April 7, 2026.

Your average last frost date is Tuesday, May 5, 2026. Larkspur grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.