When to Plant Heirloom Tomato in Fairbanks, Alaska (99708)

Location

Fairbanks, Alaska

ZIP Code

99708

USDA Zone

Last Frost

Monday, June 1, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, April 20, 2026

Transplant Outdoors Monday, June 15, 2026

Pro Tip: Start Heirloom Tomato seeds indoors 6 weeks before your last frost date, then transplant outdoors around Monday, June 15, 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 Fairbanks?

Get your seeds now so they're ready by Monday, April 20, 2026.

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🤝 Good Companions

BasilCarrotParsleyMarigoldBorage

⚠️ Avoid Planting Near

BrassicasFennelCornKohlrabi

Other Plants for Fairbanks

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Growing Heirloom Tomato in Zone 2a

Heirloom Tomato (Solanum lycopersicum) is a popular garden vegetable. In Fairbanks, Alaska, which is in USDA Hardiness Zone 2a, you should start seeds indoors around Monday, April 20, 2026.

Your average last frost date is Monday, June 1, 2026. Plan to transplant your Heirloom Tomato seedlings outdoors around Monday, June 15, 2026, about 2 weeks after your last frost date.