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When to Plant Petunia in Brooklyn, New York (11221)

Location

Brooklyn, New York

ZIP Code

11221

USDA Zone

7b

Last Frost

Sunday, April 5, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, January 25, 2026
Transplant Outdoors Sunday, April 19, 2026

Pro Tip: Start Petunia seeds indoors 10 weeks before your last frost date, then transplant outdoors around Sunday, April 19, 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 Brooklyn?

Get your seeds now so they're ready by Sunday, January 25, 2026.

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🤝 Good Companions

TomatoBasilMarigold

⚠️ Avoid Planting Near

Fennel

Other Plants for Brooklyn

Growing Petunia in Zone 7b

Petunia (Petunia × hybrida) is a popular garden vegetable. In Brooklyn, New York, which is in USDA Hardiness Zone 7b, you should start seeds indoors around Sunday, January 25, 2026.

Your average last frost date is Sunday, April 5, 2026. Plan to transplant your Petunia seedlings outdoors around Sunday, April 19, 2026, about 2 weeks after your last frost date.