When to Plant Heirloom Tomato in Ogunquit, Maine (03907)

Location

Ogunquit, Maine

ZIP Code

03907

USDA Zone

Last Frost

Monday, April 20, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, March 9, 2026

Transplant Outdoors Monday, May 4, 2026

Pro Tip: Start Heirloom Tomato seeds indoors 6 weeks before your last frost date, then transplant outdoors around Monday, May 4, 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 Ogunquit?

Get your seeds now so they're ready by Monday, March 9, 2026.

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🤝 Good Companions

BasilCarrotParsleyMarigoldBorage

⚠️ Avoid Planting Near

BrassicasFennelCornKohlrabi

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Growing Heirloom Tomato in Zone 6a

Heirloom Tomato (Solanum lycopersicum) is a popular garden vegetable. In Ogunquit, Maine, which is in USDA Hardiness Zone 6a, you should start seeds indoors around Monday, March 9, 2026.

Your average last frost date is Monday, April 20, 2026. Plan to transplant your Heirloom Tomato seedlings outdoors around Monday, May 4, 2026, about 2 weeks after your last frost date.