When to Plant Collard Green in New York City, New York (10021)

Location

New York City, New York

ZIP Code

10021

USDA Zone

Last Frost

Sunday, April 5, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, February 22, 2026

Transplant Outdoors Sunday, April 5, 2026

Pro Tip: Start Collard Green seeds indoors 6 weeks before your last frost date, then transplant outdoors around Sunday, April 5, 2026.

🌿 Plant Details

Scientific Name Brassica oleracea var. viridis

Days to Maturity 60 days

Mature Height 24-36"

Spread 18"

Type Leaf

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Regular (1-1.5 inches/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

Ready to Plant Collard Green in New York City?

Get your seeds now so they're ready by Sunday, February 22, 2026.

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🤝 Good Companions

BeetCeleryOnionDill

⚠️ Avoid Planting Near

TomatoStrawberryPepper

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Growing Collard Green in Zone 7b

Collard Green (Brassica oleracea var. viridis) is a popular garden vegetable. In New York City, New York, which is in USDA Hardiness Zone 7b, you should start seeds indoors around Sunday, February 22, 2026.

Your average last frost date is Sunday, April 5, 2026. Plan to transplant your Collard Green seedlings outdoors around Sunday, April 5, 2026, about 0 weeks after your last frost date.