When to Plant Impatiens in Reading, Pennsylvania (19607)

Location

Reading, Pennsylvania

ZIP Code

19607

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 Impatiens seeds indoors 10 weeks before your last frost date, then transplant outdoors around Friday, April 24, 2026.

🌿 Plant Details

Scientific Name Impatiens walleriana

Days to Maturity 60 days

Mature Height 8-18"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Partial to Full Shade (2-4 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

8" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 14-21 days

Ready to Plant Impatiens in Reading?

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

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🤝 Good Companions

BegoniaFernHostas

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Growing Impatiens in Zone 7a

Impatiens (Impatiens walleriana) is a popular garden vegetable. In Reading, 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 Impatiens seedlings outdoors around Friday, April 24, 2026, about 2 weeks after your last frost date.