When to Plant Heirloom Tomato in Marietta, North Carolina (28362)

Location

Marietta, North Carolina

ZIP Code

28362

USDA Zone

Last Frost

Sunday, March 15, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, February 1, 2026

Transplant Outdoors Sunday, March 29, 2026

Pro Tip: Start Heirloom Tomato seeds indoors 6 weeks before your last frost date, then transplant outdoors around Sunday, March 29, 2026.

🌿 Plant Details

Scientific Name Solanum lycopersicum

Days to Maturity 80 days

Mature Height 48-84"

Spread 24"

Type Indeterminate

Fruit Size Variable (2-32 oz depending on variety)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

30" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 5-10 days

Ready to Plant Heirloom Tomato in Marietta?

Get your seeds now so they're ready by Sunday, February 1, 2026.

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🤝 Good Companions

BasilCarrotParsleyMarigoldBorage

⚠️ Avoid Planting Near

BrassicasFennelCornKohlrabi

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Growing Heirloom Tomato in Zone 8b

Heirloom Tomato (Solanum lycopersicum) is a popular garden vegetable. In Marietta, North Carolina, which is in USDA Hardiness Zone 8b, you should start seeds indoors around Sunday, February 1, 2026.

Your average last frost date is Sunday, March 15, 2026. Plan to transplant your Heirloom Tomato seedlings outdoors around Sunday, March 29, 2026, about 2 weeks after your last frost date.