When to Plant Celosia in Silver Star, Montana (59751)

Location

Silver Star, Montana

ZIP Code

59751

USDA Zone

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, March 29, 2026

Transplant Outdoors Sunday, May 17, 2026

Pro Tip: Start Celosia seeds indoors 6 weeks before your last frost date, then transplant outdoors around Sunday, May 17, 2026.

🌿 Plant Details

Scientific Name Celosia argentea

Days to Maturity 75 days

Mature Height 12-36"

Spread 9"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

9" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 10-14 days

Ready to Plant Celosia in Silver Star?

Get your seeds now so they're ready by Sunday, March 29, 2026.

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Growing Celosia in Zone 5a

Celosia (Celosia argentea) is a popular garden vegetable. In Silver Star, Montana, which is in USDA Hardiness Zone 5a, you should start seeds indoors around Sunday, March 29, 2026.

Your average last frost date is Sunday, May 10, 2026. Plan to transplant your Celosia seedlings outdoors around Sunday, May 17, 2026, about 1 weeks after your last frost date.