Can You Grow Kale in Idaho?
US · USDA Zone 6b · zones 3b, 4a, 4b, 5a, 5b, 6a, 6b
Kale grows exceptionally well here — it is one of the most cold-tolerant vegetables available.
Plant zones
Idaho last frost
Idaho first frost
Days to harvest
When to plant Kales in Idaho
Start indoors
Transplant
Harvest
Dates are approximate, based on Idaho's average frost dates. Your exact yard may vary by microclimate.
About Kale
Kale is one of the hardiest vegetables available — it survives hard frosts and tastes sweeter after a freeze.
Sow indoors 4-6 weeks before last frost or direct sow in late summer for fall harvest. Harvest outer leaves to keep the plant producing. Cold-hardy varieties survive winter in Zone 7+.
Gardening in Idaho
Idaho has a semi-arid continental climate. Southern valleys are Zone 6-7 with hot dry summers; northern regions and mountains are colder. Excellent for root vegetables and cool crops.
Frequently asked questions
Can you grow Kale in Idaho?
Kale grows exceptionally well here — it is one of the most cold-tolerant vegetables available.
What zone is Idaho?
Idaho spans USDA Zone 6b (3b, 4a, 4b, 5a, 5b, 6a, 6b).
When do you plant Kales in Idaho?
Plant Kales around mid-March (start indoors Feb 14), harvest May 9 – May 29.