When to Plant Kohlrabi in Delaware City, Delaware (19706)
Location
Delaware City, Delaware
ZIP Code
19706
USDA Zone
7b
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 for best results.
🌿 Plant Details
Scientific Name Brassica oleracea var. gongylodes
Days to Maturity 55 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 7-14 days
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Growing Kohlrabi in Zone 7b
Kohlrabi (Brassica oleracea var. gongylodes) is a popular garden vegetable. In Delaware City, Delaware, 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.