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When to Plant Edamame in Smyrna, North Carolina (28579)

Location

Smyrna, North Carolina

ZIP Code

28579

USDA Zone

8b

Last Frost

Sunday, March 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, March 29, 2026

Pro Tip: Sow Edamame directly outdoors 2 weeks after your last frost date — it needs warm soil.

🌿 Plant Details

Scientific Name Glycine max
Days to Maturity 80 days
Mature Height 18-30"
Spread 6"

☀️ 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 6-10 days

Ready to Plant Edamame in Smyrna?

Get your seeds now so they're ready by Sunday, March 29, 2026.

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🤝 Good Companions

CornSquashCarrot

⚠️ Avoid Planting Near

OnionGarlicLeek

Other Plants for Smyrna

Growing Edamame in Zone 8b

Edamame (Glycine max) is a popular garden vegetable. In Smyrna, North Carolina, which is in USDA Hardiness Zone 8b, you should direct sow seeds around Sunday, March 29, 2026.

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