When to plant jerusalem artichoke (sunchoke)

Very hardy · shrugs off freezes

Jerusalem Artichoke (Sunchoke)is keyed to your local frost dates. The offsets below hold anywhere — but the calendar dates they land on don’t. Enter your ZIP for dates tuned to your city’s nearest NOAA station.

Jerusalem Artichoke (Sunchoke) planting timeline

Transplant out

2–4 wks before

Harvest

110–150 days later

-5 wksLAST SPRING FROST+18 wks

Perennial: plant once and it comes back for years. Many types crop lightly the first season and reach full harvest by year two or three.

Very hardy: withstands hard freezes and is among the first crops you can plant.

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Jerusalem Artichoke (Sunchoke) planting FAQ

Can I direct sow jerusalem artichoke (sunchoke)?

Jerusalem Artichoke (Sunchoke) is usually started indoors and transplanted rather than direct sown, for a reliable stand.

How long does jerusalem artichoke (sunchoke) take to grow?

Jerusalem Artichoke (Sunchoke) takes about 110–150 days from transplanting to harvest, depending on the variety and conditions.

Is jerusalem artichoke (sunchoke) frost-hardy?

Very hardy: withstands hard freezes and is among the first crops you can plant.

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Planting windows are offsets from your local 1991–2020 NOAA frost normals. How we compute this.