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When to Plant Napa Cabbage in Delaware

State

Delaware

Cities Covered

57

USDA Zones

7a, 7b, 8a

Plant Type

Indoor Start

📅 Planting Calendar for Delaware

Based on Bear (Zone 7b). Dates may vary by city.

Start Seeds Indoors Sunday, February 22, 2026
Transplant Outdoors Sunday, April 19, 2026

Note: Delaware spans multiple zones (7a, 7b, 8a). Select your city below for more precise dates.

🌿 Plant Details

Scientific Name Brassica rapa subsp. pekinensis
Days to Maturity 70 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 18" apart

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Growing Napa Cabbage in Delaware

Napa Cabbage (Brassica rapa subsp. pekinensis) is a popular garden vegetable in Delaware. The state spans USDA Hardiness Zones 7a, 7b, 8a, so planting dates can vary significantly depending on your location.

For most of Delaware, you should start Napa Cabbage seeds indoors around Sunday, February 22, 2026, then transplant outdoors around Sunday, April 19, 2026.

For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.