When to Plant Celosia in Arlington, Washington (98223)

Location

Arlington, Washington

ZIP Code

98223

USDA Zone

Last Frost

Sunday, March 15, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, February 1, 2026

Transplant Outdoors Sunday, March 22, 2026

Pro Tip: Start Celosia seeds indoors 6 weeks before your last frost date, then transplant outdoors around Sunday, March 22, 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 Arlington?

Get your seeds now so they're ready by Sunday, February 1, 2026.

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Growing Celosia in Zone 8b

Celosia (Celosia argentea) is a popular garden vegetable. In Arlington, Washington, which is in USDA Hardiness Zone 8b, you should start seeds indoors around Sunday, February 1, 2026.

Your average last frost date is Sunday, March 15, 2026. Plan to transplant your Celosia seedlings outdoors around Sunday, March 22, 2026, about 1 weeks after your last frost date.