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Can You Grow Cauliflower in Washington?
US · USDA Zone 8b · zones 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
Cauliflower grows well here if you time it for your cool season — fall crops are often more reliable than spring.
Plant zones
Washington last frost
Washington first frost
Days to harvest
When to plant Cauliflowers in Washington
Start indoors
Transplant
Harvest
Dates are approximate, based on Washington's average frost dates. Your exact yard may vary by microclimate.
About Cauliflower
Cauliflower is one of the most rewarding cool-season brassicas — and one of the trickiest. It forms a dense white head that needs steady cool weather and consistent moisture.
Start indoors 6 weeks before last frost; transplant 2-3 weeks before last frost. Blanch heads by tying leaves over them once they're 2-3 inches across. Harvest before curds loosen.
Gardening in Washington
Washington has dramatically different climates. The wet maritime west (Zone 8a-8b) is mild and productive year-round. Eastern Washington is semi-arid and colder (Zone 5-6) with hot dry summers.
Frequently asked questions
Can you grow Cauliflower in Washington?
Cauliflower grows well here if you time it for your cool season — fall crops are often more reliable than spring.
What zone is Washington?
Washington spans USDA Zone 8b (4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b).
When do you plant Cauliflowers in Washington?
Plant Cauliflowers around late January (start indoors Jan 1), harvest Mar 31 – May 10.