When to Plant Petunia in Kaktovik, Alaska (99747)

Location

Kaktovik, Alaska

ZIP Code

99747

USDA Zone

Last Frost

Monday, May 25, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, March 16, 2026

Transplant Outdoors Monday, June 8, 2026

Pro Tip: Start Petunia seeds indoors 10 weeks before your last frost date, then transplant outdoors around Monday, June 8, 2026.

🌿 Plant Details

Scientific Name Petunia × hybrida

Days to Maturity 75 days

Mature Height 6-18"

Spread 18"

Type Annual

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.13" deep

Seeds typically germinate in 7-14 days

Ready to Plant Petunia in Kaktovik?

Get your seeds now so they're ready by Monday, March 16, 2026.

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🤝 Good Companions

TomatoBasilMarigold

⚠️ Avoid Planting Near

Fennel

Other Plants for Kaktovik

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Growing Petunia in Zone 3a

Petunia (Petunia × hybrida) is a popular garden vegetable. In Kaktovik, Alaska, which is in USDA Hardiness Zone 3a, you should start seeds indoors around Monday, March 16, 2026.

Your average last frost date is Monday, May 25, 2026. Plan to transplant your Petunia seedlings outdoors around Monday, June 8, 2026, about 2 weeks after your last frost date.