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Can You Grow Garlic in Idaho?

US · USDA Zone 6b · zones 3b, 4a, 4b, 5a, 5b, 6a, 6b

Grows well here

Garlic grows very well here — plant in fall and harvest the following summer.

Plant zones

3a–9b

Idaho last frost

mid-March

Idaho first frost

mid-November

Days to harvest

240–270 days

When to plant Garlic in Idaho

Direct sow

Oct 1 – Oct 31

Harvest

Jun – Jul (following year)

Dates are approximate, based on Idaho's average frost dates. Your exact yard may vary by microclimate.

About Garlic

Garlic is planted in fall and harvested the following summer — one of the most rewarding low-effort crops.

Plant cloves in fall (October) pointy-end up 5cm deep 15cm apart. Mulch for winter. Harvest when lower leaves brown. Cure in a warm dry place for 2-3 weeks for long storage.

Full garlic growing guide →

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.

See what grows well in Idaho →

Frequently asked questions

Can you grow Garlic in Idaho?

Garlic grows very well here — plant in fall and harvest the following summer.

What zone is Idaho?

Idaho spans USDA Zone 6b (3b, 4a, 4b, 5a, 5b, 6a, 6b).

When do you plant Garlic in Idaho?

Plant Garlic Oct 1 – Oct 31, harvest Jun – Jul (following year).