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When to Plant Cosmos in Metairie, Louisiana (70006)

Location

Metairie, Louisiana

ZIP Code

70006

USDA Zone

9b

Last Frost

Tuesday, February 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Tuesday, February 10, 2026

Pro Tip: Sow Cosmos directly outdoors around your last frost date when soil starts to warm.

🌿 Plant Details

Scientific Name Cosmos bipinnatus
Days to Maturity 60 days
Mature Height 24-60"
Spread 18"
Type Annual

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Low-Moderate

↔️

Spacing

18" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 7-14 days

Ready to Plant Cosmos in Metairie?

Get your seeds now so they're ready by Tuesday, February 10, 2026.

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🤝 Good Companions

CornSquashTomato

Other Plants for Metairie

Growing Cosmos in Zone 9b

Cosmos (Cosmos bipinnatus) is a popular garden vegetable. In Metairie, Louisiana, which is in USDA Hardiness Zone 9b, you should direct sow seeds around Tuesday, February 10, 2026.

Your average last frost date is Tuesday, February 10, 2026. Cosmos grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.