When to Plant Petunia in Gordonville, Pennsylvania (17529)

Location

Gordonville, Pennsylvania

ZIP Code

17529

USDA Zone

Last Frost

Friday, April 10, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, January 30, 2026

Transplant Outdoors Friday, April 24, 2026

Pro Tip: Start Petunia seeds indoors 10 weeks before your last frost date, then transplant outdoors around Friday, April 24, 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 Gordonville?

Get your seeds now so they're ready by Friday, January 30, 2026.

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🤝 Good Companions

TomatoBasilMarigold

⚠️ Avoid Planting Near

Fennel

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Growing Petunia in Zone 7a

Petunia (Petunia × hybrida) is a popular garden vegetable. In Gordonville, Pennsylvania, which is in USDA Hardiness Zone 7a, you should start seeds indoors around Friday, January 30, 2026.

Your average last frost date is Friday, April 10, 2026. Plan to transplant your Petunia seedlings outdoors around Friday, April 24, 2026, about 2 weeks after your last frost date.