When to Plant Celosia in Pen Argyl, Pennsylvania (18072)

Location

Pen Argyl, Pennsylvania

ZIP Code

18072

USDA Zone

Last Frost

Wednesday, April 15, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, March 4, 2026

Transplant Outdoors Wednesday, April 22, 2026

Pro Tip: Start Celosia seeds indoors 6 weeks before your last frost date, then transplant outdoors around Wednesday, April 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 Pen Argyl?

Get your seeds now so they're ready by Wednesday, March 4, 2026.

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Other Plants for Pen Argyl

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Growing Celosia in Zone 6b

Celosia (Celosia argentea) is a popular garden vegetable. In Pen Argyl, Pennsylvania, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, March 4, 2026.

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