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When to Plant Sweet Pea in Buffalo, South Carolina (29321)

Location

Buffalo, South Carolina

ZIP Code

29321

USDA Zone

8a

Last Frost

Friday, March 20, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, February 20, 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 Buffalo?

Get your seeds now so they're ready by Friday, February 20, 2026.

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🤝 Good Companions

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⚠️ Avoid Planting Near

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Growing Sweet Pea in Zone 8a

Sweet Pea (Lathyrus odoratus) is a popular garden vegetable. In Buffalo, South Carolina, which is in USDA Hardiness Zone 8a, you should direct sow seeds around Friday, February 20, 2026.

Your average last frost date is Friday, March 20, 2026. Sweet Pea grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.