When to Plant Cauliflower in District of Columbia
State
District of Columbia
Cities Covered
2
USDA Zones
7a, 7b, 8a
Plant Type
Direct Sow
📅 Planting Calendar for District of Columbia
Based on Washington (Zone 8a). Dates may vary by city.
Direct Sow Outdoors Friday, February 6, 2026
Note: District of Columbia spans multiple zones (7a, 7b, 8a). Select your city below for more precise dates.
🌿 Plant Details
Scientific Name Brassica oleracea
Days to Maturity 75 days
Sun Requirements Full Sun (6 hours)
Plant Spacing 18" apart
Find Your City in District of Columbia
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Growing Cauliflower in District of Columbia
Cauliflower (Brassica oleracea) is a popular garden vegetable in District of Columbia. The state spans USDA Hardiness Zones 7a, 7b, 8a, so planting dates can vary significantly depending on your location.
In most areas of District of Columbia, you can direct sow Cauliflower outdoors around Friday, February 6, 2026.
For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.