my LocalPlanting

When to Plant Bell Pepper in Lothair, Montana (59461)

Location

Lothair, Montana

ZIP Code

59461

USDA Zone

4a

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, March 6, 2026
Transplant Outdoors Friday, May 29, 2026

Pro Tip: Start Bell Pepper seeds indoors 10 weeks before your last frost date, then transplant outdoors around Friday, May 29, 2026.

🌿 Plant Details

Scientific Name Capsicum annuum
Days to Maturity 70 days
Mature Height 18-24"
Spread 18"
Type Bush
Fruit Size Medium (4-6 oz)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 8-14 days

Ready to Plant Bell Pepper in Lothair?

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

* Affiliate links — we may earn a small commission at no extra cost to you.

🤝 Good Companions

TomatoBasilCarrotOnionParsley

⚠️ Avoid Planting Near

FennelKohlrabiBrassicas

Other Plants for Lothair

Growing Bell Pepper in Zone 4a

Bell Pepper (Capsicum annuum) is a popular garden vegetable. In Lothair, Montana, 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 Bell Pepper seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.