my LocalPlanting

When to Plant Celosia in Zone 1B

USDA Zone

1B

Cities Covered

11

Avg Last Frost

Thursday, June 10, 2027

Plant Type

Indoor Start

📅 Planting Calendar for Zone 1B

Start Seeds Indoors Thursday, April 29, 2027
Transplant Outdoors Thursday, June 17, 2027

Pro Tip: Start Celosia seeds indoors 6 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Celosia argentea
Days to Maturity 75 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 9" apart

🤝 Companion Plants for Celosia

Good Companions

MarigoldZinniaBasil
See the full companion planting guide for Celosia →

Cities in Zone 1B

Other Plants for Zone 1B

Browse Other Zones

Growing Celosia in USDA Zone 1B

Celosia (Celosia argentea) grows well in USDA Hardiness Zone 1B. This zone includes cities like Arctic Village, Bettles Field, Chicken and 8 more.

The average last frost date for Zone 1B is around Thursday, June 10, 2027. For best results, start your Celosia seeds indoors around Thursday, April 29, 2027, then transplant outdoors around Thursday, June 17, 2027.

Expect to harvest your Celosia approximately 75 days after planting.