When to Plant Impatiens in Bowbells, North Dakota (58721)

Location

Bowbells, North Dakota

ZIP Code

58721

USDA Zone

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, March 6, 2026

Transplant Outdoors Friday, May 29, 2026

Pro Tip: Start Impatiens seeds indoors 10 weeks before your last frost date, then transplant outdoors around Friday, May 29, 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 Bowbells?

Get your seeds now so they're ready by Friday, March 6, 2026.

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🤝 Good Companions

BegoniaFernHostas

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Growing Impatiens in Zone 4a

Impatiens (Impatiens walleriana) is a popular garden vegetable. In Bowbells, North Dakota, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 6, 2026.

Your average last frost date is Friday, May 15, 2026. Plan to transplant your Impatiens seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.