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Can You Grow Broccoli in Montana?
US · USDA Zone 4b · zones 3a, 3b, 4a, 4b, 5a, 5b
Broccoli grows well here as a spring or fall crop — time planting to avoid peak summer heat.
Plant zones
Montana last frost
Montana first frost
Days to harvest
When to plant Broccolis in Montana
Start indoors
Transplant
Harvest
Dates are approximate, based on Montana's average frost dates. Your exact yard may vary by microclimate.
About Broccoli
Broccoli is a cool-season crop that produces best in spring and fall when temperatures are moderate.
Start indoors 6-8 weeks before last frost for spring planting or direct sow in midsummer for fall. Harvest the main head before it flowers — side shoots continue producing after.
Gardening in Montana
Montana has a semi-arid continental climate with cold winters and warm summers. Most of the state is Zone 4-5; protected valleys are Zone 5-6. Short but intense growing seasons.
Frequently asked questions
Can you grow Broccoli in Montana?
Broccoli grows well here as a spring or fall crop — time planting to avoid peak summer heat.
What zone is Montana?
Montana spans USDA Zone 4b (3a, 3b, 4a, 4b, 5a, 5b).
When do you plant Broccolis in Montana?
Plant Broccolis around mid-April (start indoors Mar 3), harvest Jun 14 – Jul 4.