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Can You Grow Radish in Idaho?

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

Grows well here

Radishes grow in almost any zone — they are one of the fastest and easiest crops you can grow.

Plant zones

2a–9b

Idaho last frost

mid-March

Idaho first frost

mid-November

Days to harvest

22–30 days

When to plant Radishes in Idaho

Direct sow

Mar 15

Harvest

Apr 6 – Apr 14

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

About Radish

Radishes are the fastest vegetable you can grow — from seed to harvest in as little as 22 days.

Direct sow in early spring or late summer. Succession plant every 2 weeks for continuous harvest. Pull before they get woody. Great as a companion plant to mark slow-germinating rows.

Full radish 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 Radish in Idaho?

Radishes grow in almost any zone — they are one of the fastest and easiest crops you can grow.

What zone is Idaho?

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

When do you plant Radishes in Idaho?

Plant Radishes Mar 15, harvest Apr 6 – Apr 14.