When to Plant Edamame in Niangua, Missouri (65713)

Location

Niangua, Missouri

ZIP Code

65713

USDA Zone

Last Frost

Wednesday, April 15, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Wednesday, April 29, 2026

Based on last frost Wednesday, April 15, 2026 · Zone 6b

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

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🌿 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 Niangua?

Get your seeds now so they're ready by Wednesday, April 29, 2026.

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🤝 Good Companions

CornSquashCarrot

⚠️ Avoid Planting Near

OnionGarlicLeek

🤝

Full Companion Planting Guide for Edamame

See which plants help Edamame thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🟢 Easy

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Let pods mature past the green edamame stage — pods will dry and turn tan on the vine.

Processing

Shell dried pods, cure seeds on a screen for 2 weeks to fully dry.

Seed Viability

Up to 4 years when stored cool, dark, and dry.

Pro Tip

Soybeans are self-fertile before flowers open — highly recommended as a beginner seed crop.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 4 per sq ft of Edamame. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Edamame in Niangua, Missouri? +

In Niangua (Zone 6b), direct sow Edamame outdoors around Wednesday, April 29, 2026.

What is the last frost date for Niangua, Missouri? +

The average last spring frost date for Niangua, Missouri (ZIP 65713) is around Wednesday, April 15, 2026. This is based on NOAA climate normals for USDA Zone 6b.

How long does Edamame take to grow? +

Edamame typically matures in about 80 days from direct sowing. In Niangua, that means you can expect harvest around Wednesday, April 29, 2026 plus 80 days.

Should I start Edamame indoors or direct sow in Missouri? +

Edamame does best when direct sown outdoors. In Niangua, sow directly around Wednesday, April 29, 2026.

📚 More Edamame Planting Guides

🗺️

Edamame in Missouri

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 6b Edamame Guide

All cities in your zone · Avg dates

→

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Growing Edamame in Zone 6b

Edamame (Glycine max) is a popular garden vegetable. In Niangua, Missouri, which is in USDA Hardiness Zone 6b, you should direct sow seeds around Wednesday, April 29, 2026.

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