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When to Plant Sweet Pea in Cullen, Louisiana (71021)

Location

Cullen, Louisiana

ZIP Code

71021

USDA Zone

8b

Last Frost

Sunday, March 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, February 15, 2026

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

🌿 Plant Details

Scientific Name Lathyrus odoratus
Days to Maturity 65 days
Mature Height 48-72"
Spread 8"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

6" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 10-21 days

Ready to Plant Sweet Pea in Cullen?

Get your seeds now so they're ready by Sunday, February 15, 2026.

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🤝 Good Companions

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⚠️ Avoid Planting Near

OnionGarlic

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Growing Sweet Pea in Zone 8b

Sweet Pea (Lathyrus odoratus) is a popular garden vegetable. In Cullen, Louisiana, which is in USDA Hardiness Zone 8b, you should direct sow seeds around Sunday, February 15, 2026.

Your average last frost date is Sunday, March 15, 2026. Sweet Pea grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.