When to Plant Impatiens in Corning, California (96021)

Location

Corning, California

ZIP Code

96021

USDA Zone

Last Frost

Tuesday, February 10, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, December 2, 2025

Transplant Outdoors Tuesday, February 24, 2026

Pro Tip: Start Impatiens seeds indoors 10 weeks before your last frost date, then transplant outdoors around Tuesday, February 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 Corning?

Get your seeds now so they're ready by Tuesday, December 2, 2025.

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🤝 Good Companions

BegoniaFernHostas

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Growing Impatiens in Zone 9b

Impatiens (Impatiens walleriana) is a popular garden vegetable. In Corning, California, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Tuesday, December 2, 2025.

Your average last frost date is Tuesday, February 10, 2026. Plan to transplant your Impatiens seedlings outdoors around Tuesday, February 24, 2026, about 2 weeks after your last frost date.