When to Plant Morning Glory in Marietta, North Carolina (28362)

Location

Marietta, North Carolina

ZIP Code

28362

USDA Zone

Last Frost

Sunday, March 15, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Sunday, March 29, 2026

Based on last frost Sunday, March 15, 2026 · Zone 8b

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

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🌿 Plant Details

Scientific Name Ipomoea purpurea

Days to Maturity 65 days

Mature Height 72-120"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Low to Moderate

↔️

Spacing

12" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 5-10 days

Ready to Plant Morning Glory in Marietta?

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

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🤝 Good Companions

CornSunflower

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Full Companion Planting Guide for Morning Glory

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

🛠️ Supplies You'll Need

🌍 Flower Garden Soil ✂️ Pruning Shears 🚿 Watering Can

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🌾 Seed Saving Guide

🟢 Easy

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Allow seed pods to dry fully on the vine — pods turn tan and papery when ripe.

Processing

Crack open dry seed pods to release 3–4 seeds each. Dry 1 week before storing.

Seed Viability

Up to 3 years when stored cool, dark, and dry.

Pro Tip

Nick the seed coat with a nail file before sowing to significantly improve germination rates.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 32 plants of Morning Glory. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Morning Glory in Marietta, North Carolina? +

In Marietta (Zone 8b), direct sow Morning Glory outdoors around Sunday, March 29, 2026.

What is the last frost date for Marietta, North Carolina? +

The average last spring frost date for Marietta, North Carolina (ZIP 28362) is around Sunday, March 15, 2026. This is based on NOAA climate normals for USDA Zone 8b.

How long does Morning Glory take to grow? +

Morning Glory typically matures in about 65 days from direct sowing. In Marietta, that means you can expect harvest around Sunday, March 29, 2026 plus 65 days.

Should I start Morning Glory indoors or direct sow in North Carolina? +

Morning Glory does best when direct sown outdoors. In Marietta, sow directly around Sunday, March 29, 2026.

📚 More Morning Glory Planting Guides

🗺️

Morning Glory in North Carolina

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 8b Morning Glory Guide

All cities in your zone · Avg dates

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Growing Morning Glory in Zone 8b

Morning Glory (Ipomoea purpurea) is a popular garden vegetable. In Marietta, 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. Morning Glory grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.