When to Plant Celosia in Washington, District of Columbia (20013)

Location

Washington, District of Columbia

ZIP Code

20013

USDA Zone

Last Frost

Friday, March 20, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, February 6, 2026

Transplant Outdoors Friday, March 27, 2026

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

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

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Growing Celosia in Zone 8a

Celosia (Celosia argentea) is a popular garden vegetable. In Washington, District of Columbia, which is in USDA Hardiness Zone 8a, you should start seeds indoors around Friday, February 6, 2026.

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