When to Plant Kohlrabi in Mount Vernon, New York (10553)

Location

Mount Vernon, New York

ZIP Code

10553

USDA Zone

Last Frost

Sunday, April 5, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, March 8, 2026

Transplant Outdoors Sunday, March 22, 2026

Pro Tip: Start Kohlrabi seeds indoors 4 weeks before your last frost date, then transplant outdoors around Sunday, March 22, 2026.

🌿 Plant Details

Scientific Name Brassica oleracea var. gongylodes

Days to Maturity 55 days

Mature Height 12-18"

Spread 8"

Type Bulb

Fruit Size Small-Medium (2-3 inch bulb)

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (consistent moisture prevents cracking)

↔️

Spacing

6" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

Ready to Plant Kohlrabi in Mount Vernon?

Get your seeds now so they're ready by Sunday, March 8, 2026.

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🤝 Good Companions

BeetOnionCucumberHerb

⚠️ Avoid Planting Near

TomatoPepperStrawberry

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Growing Kohlrabi in Zone 7b

Kohlrabi (Brassica oleracea var. gongylodes) is a popular garden vegetable. In Mount Vernon, New York, which is in USDA Hardiness Zone 7b, you should start seeds indoors around Sunday, March 8, 2026.

Your average last frost date is Sunday, April 5, 2026. Plan to transplant your Kohlrabi seedlings outdoors around Sunday, March 22, 2026, about -2 weeks after your last frost date.