When to Plant Celosia in Biwabik, Minnesota (55708)

Location

Biwabik, Minnesota

ZIP Code

55708

USDA Zone

Last Frost

Wednesday, May 20, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, April 8, 2026

Transplant Outdoors Wednesday, May 27, 2026

Pro Tip: Start Celosia seeds indoors 6 weeks before your last frost date, then transplant outdoors around Wednesday, May 27, 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 Biwabik?

Get your seeds now so they're ready by Wednesday, April 8, 2026.

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Growing Celosia in Zone 3b

Celosia (Celosia argentea) is a popular garden vegetable. In Biwabik, Minnesota, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, April 8, 2026.

Your average last frost date is Wednesday, May 20, 2026. Plan to transplant your Celosia seedlings outdoors around Wednesday, May 27, 2026, about 1 weeks after your last frost date.