When to Plant Kohlrabi in West Palm Beach, Florida (33421)
Location
West Palm Beach, Florida
ZIP Code
33421
USDA Zone
10b
Last Frost
Friday, January 15, 2027
📅 Planting Calendar
Start Seeds Indoors Friday, December 18, 2026
Transplant Outdoors Friday, January 1, 2027
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 10b
Kohlrabi (Brassica oleracea var. gongylodes) is a popular garden vegetable. In West Palm Beach, Florida, which is in USDA Hardiness Zone 10b, you should start seeds indoors around Friday, December 18, 2026.
Your average last frost date is Friday, January 15, 2027. Plan to transplant your Kohlrabi seedlings outdoors around Friday, January 1, 2027, about -2 weeks after your last frost date.