When to Plant Larkspur in Park Hill, Oklahoma (74451)

Location

Park Hill, Oklahoma

ZIP Code

74451

USDA Zone

Last Frost

Sunday, April 5, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, March 8, 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 Park Hill?

Get your seeds now so they're ready by Sunday, March 8, 2026.

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Other Plants for Park Hill

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Growing Larkspur in Zone 7b

Larkspur (Consolida ajacis) is a popular garden vegetable. In Park Hill, Oklahoma, which is in USDA Hardiness Zone 7b, you should direct sow seeds around Sunday, March 8, 2026.

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