When to Plant Impatiens in Menomonee Falls, Wisconsin (53052)

Location

Menomonee Falls, Wisconsin

ZIP Code

53052

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Start Seeds Indoors Saturday, February 14, 2026

Transplant Outdoors Saturday, May 9, 2026

Pro Tip: Start Impatiens seeds indoors 10 weeks before your last frost date, then transplant outdoors around Saturday, May 9, 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 Menomonee Falls?

Get your seeds now so they're ready by Saturday, February 14, 2026.

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🤝 Good Companions

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Growing Impatiens in Zone 5b

Impatiens (Impatiens walleriana) is a popular garden vegetable. In Menomonee Falls, Wisconsin, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, February 14, 2026.

Your average last frost date is Saturday, April 25, 2026. Plan to transplant your Impatiens seedlings outdoors around Saturday, May 9, 2026, about 2 weeks after your last frost date.